diff --git a/.gitignore b/.gitignore
index 7d89e68..cb38cc8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -110,4 +110,6 @@ moonbeam-signer-win.exe
 
 .DS_Store 
 
-test/build/
\ No newline at end of file
+test/build/
+
+payload-*.json
\ No newline at end of file
diff --git a/README.md b/README.md
index 385ab84..ff6222d 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ You will see the updated parachainBond in the apps (chain state) if connecting t
 
 Some specific actions are provided as a preconfigured feature:
 
-`npm run cli voteCouncil -- --network <network> --ws <ws> <address>` : creates a vote council payload, prompts for signature and sends it
+`npm run cli voteCouncil -- --network <network> --ws <ws> --address <address>` : creates a vote council payload, prompts for signature and sends it
 
 `npm run cli voteTechCommittee -- --network <network> --ws <ws> --address <address>` : creates a tech committee vote payload, prompts for signature and sends it
 
diff --git a/package-lock.json b/package-lock.json
index bf03035..25d0579 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,9 +15,9 @@
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     },
     "@babel/runtime": {
-      "version": "7.16.3",
-      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.16.3.tgz",
-      "integrity": "sha512-WBwekcqacdY2e9AF/Q7WLFUWmdJGJTkbjqTjoMDgXkVZ3ZRUvOPsLb5KdwISoQVsbP+DQzVZW4Zhci0DvpbNTQ==",
+      "version": "7.16.5",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.16.5.tgz",
+      "integrity": "sha512-TXWihFIS3Pyv5hzR7j6ihmeLkZfrXGxAr5UfSl8CHf+6q/wpiYDkUau0czckpYG8QmnCIuPpdLtuA9VmuGGyMA==",
       "requires": {
         "regenerator-runtime": "^0.13.4"
       }
@@ -45,14 +45,14 @@
       }
     },
     "@noble/hashes": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-0.4.1.tgz",
-      "integrity": "sha512-Qxy9mZoDf5SyFrQ8hpWHeMZ2Scmb9BAz/lt23sKdr/QHnACW9dD6S+/WVJHd3R/BPoNHcUYWXoXXe74cxSEYoA=="
+      "version": "0.4.5",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-0.4.5.tgz",
+      "integrity": "sha512-oK/2b9gHb1CfiFwpPHQs010WgROn4ioilT7TFwxMVwuDaXEJP3QPhyedYbOpgM4JDBgT9n5gaispBQlkaAgT6g=="
     },
     "@noble/secp256k1": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.3.0.tgz",
-      "integrity": "sha512-wuFthUc6Ul4xflhY5u1+p1bDILPzVEisekxt5M+iLg4R+gG6+k2jnRR19sC9fMtzlsN5sKloBwprziDS0XlmyQ=="
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.3.4.tgz",
+      "integrity": "sha512-ZVRouDO5mbdCiDg4zCd3ZZABduRtpy4tCnB33Gh9upHe9tRzpiqbRSN1VTjrj/2g8u2c6MBi0YLNnNQpBYOiWg=="
     },
     "@nodelib/fs.scandir": {
       "version": "2.1.5",
@@ -93,58 +93,6 @@
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         "eventemitter3": "^4.0.7",
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-      },
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-          "requires": {
-            "@babel/runtime": "^7.16.3",
-            "@polkadot/rpc-provider": "6.12.1",
-            "@polkadot/types": "6.12.1",
-            "@polkadot/util": "^8.1.2",
-            "rxjs": "^7.4.0"
-          }
-        },
-        "@polkadot/rpc-provider": {
-          "version": "6.12.1",
-          "resolved": "https://registry.npmjs.org/@polkadot/rpc-provider/-/rpc-provider-6.12.1.tgz",
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-            "@polkadot/util": "^8.1.2",
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-            "@polkadot/x-global": "^8.1.2",
-            "@polkadot/x-ws": "^8.1.2",
-            "eventemitter3": "^4.0.7"
-          }
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-        "@polkadot/types": {
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-          "resolved": "https://registry.npmjs.org/@polkadot/types/-/types-6.12.1.tgz",
-          "integrity": "sha512-O37cAGUL0xiXTuO3ySweVh0OuFUD6asrd0TfuzGsEp3jAISWdElEHV5QDiftWq8J9Vf8BMgTcP2QLFbmSusxqA==",
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-            "@babel/runtime": "^7.16.3",
-            "@polkadot/types-known": "6.12.1",
-            "@polkadot/util": "^8.1.2",
-            "@polkadot/util-crypto": "^8.1.2",
-            "rxjs": "^7.4.0"
-          }
-        },
-        "@polkadot/types-known": {
-          "version": "6.12.1",
-          "resolved": "https://registry.npmjs.org/@polkadot/types-known/-/types-known-6.12.1.tgz",
-          "integrity": "sha512-Z8bHpPQy+mqUm0uR1tai6ra0bQIoPmgRcGFYUM+rJtW1kx/6kZLh10HAICjLpPeA1cwLRzaxHRDqH5MCU6OgXw==",
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-            "@polkadot/networks": "^8.1.2",
-            "@polkadot/types": "6.12.1",
-            "@polkadot/util": "^8.1.2"
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-        }
       }
     },
     "@polkadot/api-derive": {
@@ -159,76 +107,92 @@
         "@polkadot/util": "^8.1.2",
         "@polkadot/util-crypto": "^8.1.2",
         "rxjs": "^7.4.0"
+      }
+    },
+    "@polkadot/keyring": {
+      "version": "8.3.1",
+      "resolved": "https://registry.npmjs.org/@polkadot/keyring/-/keyring-8.3.1.tgz",
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+      "requires": {
+        "@babel/runtime": "^7.16.7",
+        "@polkadot/util": "8.3.1",
+        "@polkadot/util-crypto": "8.3.1"
       },
       "dependencies": {
-        "@polkadot/rpc-core": {
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-          "resolved": "https://registry.npmjs.org/@polkadot/rpc-core/-/rpc-core-6.12.1.tgz",
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+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.16.7.tgz",
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-            "@polkadot/types": "6.12.1",
-            "@polkadot/util": "^8.1.2",
-            "rxjs": "^7.4.0"
+            "regenerator-runtime": "^0.13.4"
           }
         },
-        "@polkadot/rpc-provider": {
-          "version": "6.12.1",
-          "resolved": "https://registry.npmjs.org/@polkadot/rpc-provider/-/rpc-provider-6.12.1.tgz",
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+        "@noble/hashes": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-0.5.7.tgz",
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+        "@polkadot/networks": {
+          "version": "8.3.1",
+          "resolved": "https://registry.npmjs.org/@polkadot/networks/-/networks-8.3.1.tgz",
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-            "@polkadot/x-global": "^8.1.2",
-            "@polkadot/x-ws": "^8.1.2",
-            "eventemitter3": "^4.0.7"
+            "@babel/runtime": "^7.16.7",
+            "@polkadot/util": "8.3.1"
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-            "rxjs": "^7.4.0"
+            "@babel/runtime": "^7.16.7",
+            "@noble/hashes": "0.5.7",
+            "@noble/secp256k1": "1.3.4",
+            "@polkadot/networks": "8.3.1",
+            "@polkadot/util": "8.3.1",
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+            "@polkadot/x-bigint": "8.3.1",
+            "@polkadot/x-randomvalues": "8.3.1",
+            "ed2curve": "^0.3.0",
+            "micro-base": "^0.10.2",
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-        "@polkadot/util": "8.1.2",
-        "@polkadot/util-crypto": "8.1.2"
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-    },
     "@polkadot/networks": {
-      "version": "8.1.2",
-      "resolved": "https://registry.npmjs.org/@polkadot/networks/-/networks-8.1.2.tgz",
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+      "version": "8.2.2",
+      "resolved": "https://registry.npmjs.org/@polkadot/networks/-/networks-8.2.2.tgz",
+      "integrity": "sha512-PshHrf5wBXib63l03YISnHMf5/fS1/Jv2rEN58EgYy9VK87HBXjT7qQ1Ea/d1cFI2EmfEDvhFsP+u3i6AlejQQ==",
       "requires": {
-        "@babel/runtime": "^7.16.3"
+        "@babel/runtime": "^7.16.5"
       }
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     "@polkadot/rpc-core": {
@@ -241,31 +205,6 @@
         "@polkadot/types": "6.12.1",
         "@polkadot/util": "^8.1.2",
         "rxjs": "^7.4.0"
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-            "@babel/runtime": "^7.16.3",
-            "@polkadot/types-known": "6.12.1",
-            "@polkadot/util": "^8.1.2",
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-            "rxjs": "^7.4.0"
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-        "@polkadot/types-known": {
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-          "resolved": "https://registry.npmjs.org/@polkadot/types-known/-/types-known-6.12.1.tgz",
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-            "@polkadot/types": "6.12.1",
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-        }
       }
     },
     "@polkadot/rpc-provider": {
@@ -281,31 +220,6 @@
         "@polkadot/x-global": "^8.1.2",
         "@polkadot/x-ws": "^8.1.2",
         "eventemitter3": "^4.0.7"
-      },
-      "dependencies": {
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-          "resolved": "https://registry.npmjs.org/@polkadot/types/-/types-6.12.1.tgz",
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-            "@polkadot/types-known": "6.12.1",
-            "@polkadot/util": "^8.1.2",
-            "@polkadot/util-crypto": "^8.1.2",
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-        "@polkadot/types-known": {
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-          "resolved": "https://registry.npmjs.org/@polkadot/types-known/-/types-known-6.12.1.tgz",
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-            "@polkadot/types": "6.12.1",
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     "@polkadot/types": {
@@ -332,38 +246,98 @@
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-        "@polkadot/x-global": "8.1.2",
-        "@polkadot/x-textdecoder": "8.1.2",
-        "@polkadot/x-textencoder": "8.1.2",
+      "version": "8.3.1",
+      "resolved": "https://registry.npmjs.org/@polkadot/util/-/util-8.3.1.tgz",
+      "integrity": "sha512-0jkxqDKBd9Tl7DeIrazNOsvo4rVlWIfxU+Xn021rBLjKZwfWICRuEcywpZ8D3AS9ZpUxymb8VAAu77wkCG2j4Q==",
+      "requires": {
+        "@babel/runtime": "^7.16.7",
+        "@polkadot/x-bigint": "8.3.1",
+        "@polkadot/x-global": "8.3.1",
+        "@polkadot/x-textdecoder": "8.3.1",
+        "@polkadot/x-textencoder": "8.3.1",
         "@types/bn.js": "^4.11.6",
         "bn.js": "^4.12.0",
         "ip-regex": "^4.3.0"
+      },
+      "dependencies": {
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+          "requires": {
+            "regenerator-runtime": "^0.13.4"
+          }
+        },
+        "@polkadot/x-bigint": {
+          "version": "8.3.1",
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+        "@polkadot/x-global": {
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+              "version": "7.9.2",
+              "resolved": "https://registry.npmjs.org/@polkadot/networks/-/networks-7.9.2.tgz",
+              "integrity": "sha512-4obI1RdW5/7TFwbwKA9oqw8aggVZ65JAUvIFMd2YmMC2T4+NiZLnok0WhRkhZkUnqjLIHXYNwq7Ho1i39dte0g==",
+              "requires": {
+                "@babel/runtime": "^7.16.3"
+              }
+            },
+            "@polkadot/util": {
+              "version": "7.9.2",
+              "resolved": "https://registry.npmjs.org/@polkadot/util/-/util-7.9.2.tgz",
+              "integrity": "sha512-6ABY6ErgkCsM4C6+X+AJSY4pBGwbKlHZmUtHftaiTvbaj4XuA4nTo3GU28jw8wY0Jh2cJZJvt6/BJ5GVkm5tBA==",
+              "requires": {
+                "@babel/runtime": "^7.16.3",
+                "@polkadot/x-textdecoder": "7.9.2",
+                "@polkadot/x-textencoder": "7.9.2",
+                "@types/bn.js": "^4.11.6",
+                "bn.js": "^4.12.0",
+                "camelcase": "^6.2.1",
+                "ip-regex": "^4.3.0"
+              }
+            },
+            "@polkadot/util-crypto": {
+              "version": "7.9.2",
+              "resolved": "https://registry.npmjs.org/@polkadot/util-crypto/-/util-crypto-7.9.2.tgz",
+              "integrity": "sha512-nNwqUwP44eCH9jKKcPie+IHLKkg9LMe6H7hXo91hy3AtoslnNrT51tP3uAm5yllhLvswJfnAgnlHq7ybCgqeFw==",
+              "requires": {
+                "@babel/runtime": "^7.16.3",
+                "@polkadot/networks": "7.9.2",
+                "@polkadot/util": "7.9.2",
+                "@polkadot/wasm-crypto": "^4.4.1",
+                "@polkadot/x-randomvalues": "7.9.2",
+                "blakejs": "^1.1.1",
+                "bn.js": "^4.12.0",
+                "create-hash": "^1.2.0",
+                "ed2curve": "^0.3.0",
+                "elliptic": "^6.5.4",
+                "hash.js": "^1.1.7",
+                "js-sha3": "^0.8.0",
+                "micro-base": "^0.9.0",
+                "scryptsy": "^2.1.0",
+                "tweetnacl": "^1.0.3",
+                "xxhashjs": "^0.2.2"
+              }
+            }
           }
         },
         "@polkadot/x-randomvalues": {
@@ -1944,6 +1932,16 @@
           "requires": {
             "@babel/runtime": "^7.16.3",
             "@polkadot/x-global": "7.9.2"
+          },
+          "dependencies": {
+            "@polkadot/x-global": {
+              "version": "7.9.2",
+              "resolved": "https://registry.npmjs.org/@polkadot/x-global/-/x-global-7.9.2.tgz",
+              "integrity": "sha512-JX5CrGWckHf1P9xKXq4vQCAuMUbL81l2hOWX7xeP8nv4caHEpmf5T1wD1iMdQBL5PFifo6Pg0V6/oZBB+bts7A==",
+              "requires": {
+                "@babel/runtime": "^7.16.3"
+              }
+            }
           }
         },
         "@polkadot/x-textdecoder": {
@@ -1953,6 +1951,16 @@
           "requires": {
             "@babel/runtime": "^7.16.3",
             "@polkadot/x-global": "7.9.2"
+          },
+          "dependencies": {
+            "@polkadot/x-global": {
+              "version": "7.9.2",
+              "resolved": "https://registry.npmjs.org/@polkadot/x-global/-/x-global-7.9.2.tgz",
+              "integrity": "sha512-JX5CrGWckHf1P9xKXq4vQCAuMUbL81l2hOWX7xeP8nv4caHEpmf5T1wD1iMdQBL5PFifo6Pg0V6/oZBB+bts7A==",
+              "requires": {
+                "@babel/runtime": "^7.16.3"
+              }
+            }
           }
         },
         "@polkadot/x-textencoder": {
@@ -1962,7 +1970,22 @@
           "requires": {
             "@babel/runtime": "^7.16.3",
             "@polkadot/x-global": "7.9.2"
+          },
+          "dependencies": {
+            "@polkadot/x-global": {
+              "version": "7.9.2",
+              "resolved": "https://registry.npmjs.org/@polkadot/x-global/-/x-global-7.9.2.tgz",
+              "integrity": "sha512-JX5CrGWckHf1P9xKXq4vQCAuMUbL81l2hOWX7xeP8nv4caHEpmf5T1wD1iMdQBL5PFifo6Pg0V6/oZBB+bts7A==",
+              "requires": {
+                "@babel/runtime": "^7.16.3"
+              }
+            }
           }
+        },
+        "micro-base": {
+          "version": "0.9.0",
+          "resolved": "https://registry.npmjs.org/micro-base/-/micro-base-0.9.0.tgz",
+          "integrity": "sha512-4+tOMKidYT5nQ6/UNmYrGVO5PMcnJdfuR4NC8HK8s2H61B4itOhA9yrsjBdqGV7ecdtej36x3YSIfPLRmPrspg=="
         }
       }
     },
@@ -2158,13 +2181,6 @@
         "resolve": "^1.20.0",
         "stream-meter": "^1.0.4",
         "tslib": "2.3.1"
-      },
-      "dependencies": {
-        "tslib": {
-          "version": "2.3.1",
-          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
-          "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw=="
-        }
       }
     },
     "pkg-fetch": {
@@ -2351,11 +2367,11 @@
       }
     },
     "rxjs": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.4.0.tgz",
-      "integrity": "sha512-7SQDi7xeTMCJpqViXh8gL/lebcwlp3d831F05+9B44A4B0WfsEwUQHR64gsH1kvJ+Ep/J9K2+n1hVl1CsGN23w==",
+      "version": "7.5.1",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.5.1.tgz",
+      "integrity": "sha512-KExVEeZWxMZnZhUZtsJcFwz8IvPvgu4G2Z2QyqjZQzUGr32KDYuSxrEYO4w3tFFNbfLozcrKUTvTPi+E9ywJkQ==",
       "requires": {
-        "tslib": "~2.1.0"
+        "tslib": "^2.1.0"
       }
     },
     "safe-buffer": {
@@ -2612,9 +2628,9 @@
       }
     },
     "tslib": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.1.0.tgz",
-      "integrity": "sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A=="
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
+      "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw=="
     },
     "tunnel-agent": {
       "version": "0.6.0",
@@ -2657,9 +2673,9 @@
       }
     },
     "typescript": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.2.tgz",
-      "integrity": "sha512-5BlMof9H1yGt0P8/WF+wPNw6GfctgGjXp5hkblpyT+8rkASSmkUKMXrxR0Xg8ThVCi/JnHQiKXeBaEwCeQwMFw=="
+      "version": "4.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.4.tgz",
+      "integrity": "sha512-VgYs2A2QIRuGphtzFV7aQJduJ2gyfTljngLzjpfW9FoYZF6xuw1W0vW9ghCKLfcWrCFxK81CSGRAvS1pn4fIUg=="
     },
     "ultron": {
       "version": "1.1.1",
@@ -2794,9 +2810,9 @@
       "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     },
     "yargs": {
-      "version": "17.3.0",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.3.0.tgz",
-      "integrity": "sha512-GQl1pWyDoGptFPJx9b9L6kmR33TGusZvXIZUT+BOz9f7X2L94oeAskFYLEg/FkhV06zZPBYLvLZRWeYId29lew==",
+      "version": "17.3.1",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.3.1.tgz",
+      "integrity": "sha512-WUANQeVgjLbNsEmGk20f+nlHgOqzRFpiGWVaBrYGYIGANIIu3lWjoyi0fNlFmJkvfhCZ6BXINe7/W2O2bV4iaA==",
       "requires": {
         "cliui": "^7.0.2",
         "escalade": "^3.1.1",
diff --git a/src/commands/signCommand.ts b/src/commands/signCommand.ts
index 04d89f3..c62becb 100644
--- a/src/commands/signCommand.ts
+++ b/src/commands/signCommand.ts
@@ -1,7 +1,8 @@
 import { Argv } from "yargs";
-import { SignArgs, SignPromptArgs } from "../methods/types";
+import { SignAndVerifyArgs, SignArgs, SignPromptArgs } from "../methods/types";
 import { sign } from "../methods/sign";
 import { isNetworkType } from "../methods/utils";
+import { verifyAndSign } from "../methods/verifyAndSign";
 
 export const signOptions = {
   type: {
@@ -44,6 +45,7 @@ export const signCommand = {
   },
 };
 
+// TODO this should be an optional arg
 export const signPromptCommand = {
   command: "signPrompt <type> <privateKey|mnemonic> [derivePath]",
   describe: "sign byteCode with a private key - using prompt",
@@ -54,3 +56,35 @@ export const signPromptCommand = {
     await sign(isNetworkType(argv.type), argv.privateKey, true, argv.derivePath);
   },
 };
+
+export const verifyAndSignCommand = {
+  command: "verifyAndSign",
+  describe: "sign byteCode with a private key and verify against payload file",
+  builder: (yargs: Argv) => {
+    return yargs.options({
+      ...signOptions,
+      message: {
+        describe: "message to be signed",
+        type: "string" as "string",
+        default: "0x0",
+        demandOption: true,
+      },
+      filePath: {
+        describe: "file path of the saved extrinsic payload",
+        type: "string",
+        default: "payload.json",
+        demandOption: true,
+      },
+    });
+  },
+  handler: async (argv: SignAndVerifyArgs) => {
+    await verifyAndSign(
+      isNetworkType(argv.type),
+      argv.privateKey,
+      false,
+      argv.derivePath,
+      argv.filePath,
+      argv.message
+    );
+  },
+};
diff --git a/src/index.ts b/src/index.ts
index 741bf86..3a81a40 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,6 @@
 import yargs from "yargs";
 
-import { signCommand, signPromptCommand } from "./commands/signCommand";
+import { verifyAndSignCommand, signCommand, signPromptCommand } from "./commands/signCommand";
 import { createAndSendTxCommand } from "./commands/createAndSendCommand";
 import { verifyCommand } from "./commands/verifyCommand";
 import { getTransactionDataCommand } from "./commands/getTransactionDataCommand";
@@ -12,6 +12,7 @@ const { hideBin } = require("yargs/helpers");
 export const cli = yargs(hideBin(process.argv))
   .command(signCommand)
   .command(signPromptCommand)
+  .command(verifyAndSignCommand)
   .command(voteCouncilCommand)
   .command(voteTechCommitteeCommand)
   .command(verifyCommand)
diff --git a/src/methods/createAndSendTx.ts b/src/methods/createAndSendTx.ts
index a5266bc..0ebdd13 100644
--- a/src/methods/createAndSendTx.ts
+++ b/src/methods/createAndSendTx.ts
@@ -3,14 +3,43 @@ import { u8aToHex } from "@polkadot/util";
 import { typesBundlePre900 } from "moonbeam-types-bundle";
 import { ISubmittableResult, SignerPayloadJSON } from "@polkadot/types/types";
 import prompts from "prompts";
-import { moonbeamChains } from "./utils";
+import fs from "fs";
+import { instantiateApi, moonbeamChains } from "./utils";
 import { SignerResult, SubmittableExtrinsic } from "@polkadot/api/types";
-import { NetworkArgs, TxArgs, TxParam } from "./types";
+import {
+  NetworkArgs,
+  PayloadVerificationInfo,
+  RegistryPersistantInfo,
+  TxArgs,
+  TxParam,
+} from "./types";
+
+export const getRegistryInfo = async (api: ApiPromise): Promise<RegistryPersistantInfo> => {
+  const [runtimeVersion, chain, chainProps, chainMetadata] = await Promise.all([
+    api.rpc.state.getRuntimeVersion(),
+    api.rpc.system.chain(),
+    api.rpc.system.properties(),
+    api.rpc.state.getMetadata(),
+  ]);
+  return {
+    runtimeVersion: {
+      specName: runtimeVersion.specName.toString(),
+      specVersion: Number(runtimeVersion.specVersion),
+    },
+    chainName: chain.toString(),
+    chainProps: {
+      ss58Format: chainProps.ss58Format.toString(),
+      tokenSymbol: chainProps.tokenSymbol.toString(),
+      tokenDecimals: chainProps.tokenDecimals.toString(),
+    },
+    metadataHex: chainMetadata.toHex(),
+  };
+};
 
 export async function createAndSendTx(
   txArgs: TxArgs,
   networkArgs: NetworkArgs,
-  signatureFunction: (payload: string) => Promise<`0x${string}`>
+  signatureFunction: (payload: `0x${string}`, filePath: string) => Promise<`0x${string}`>
 ) {
   const { tx, params, address, sudo } = txArgs;
   const { ws, network } = networkArgs;
@@ -19,33 +48,38 @@ export async function createAndSendTx(
     ? (params as TxParam[])
     : (params as string).split(",");
 
-  let api: ApiPromise;
-  if (moonbeamChains.includes(network)) {
-    api = await ApiPromise.create({
-      provider: new WsProvider(ws),
-      typesBundle: typesBundlePre900 as any,
-    });
-  } else {
-    api = await ApiPromise.create({
-      provider: new WsProvider(ws),
-    });
-  }
+  const api=await instantiateApi(network,ws)
+
   let txExtrinsic: SubmittableExtrinsic<"promise", ISubmittableResult>;
   if (sudo) {
     txExtrinsic = await api.tx.sudo.sudo(api.tx[section][method](...splitParams));
   } else {
     txExtrinsic = await api.tx[section][method](...splitParams);
   }
+  console.log('txExtrinsic',txExtrinsic.toHex())
   const signer = {
-    signPayload: (payload: SignerPayloadJSON) => {
+    signPayload: async (payload: SignerPayloadJSON) => {
       console.log("(sign)", payload);
 
       // create the actual payload we will be using
       const xp = txExtrinsic.registry.createType("ExtrinsicPayload", payload);
-      console.log("Transaction data to be signed : ", u8aToHex(xp.toU8a(true)));
+      const payloadHex = u8aToHex(xp.toU8a(true));
+      console.log("Transaction data to be signed : ", payloadHex);
+
+      // save tx data in a file
+      const payloadData: PayloadVerificationInfo = {
+        payload,
+        registryInfo: await getRegistryInfo(api),
+      };
+      const data = JSON.stringify(payloadData, null, 2);
+      const filePath: string = `payload-${payloadHex.substring(0, 10)}...${payloadHex.substring(
+        payloadHex.length - 10,
+        payloadHex.length
+      )}.json`;
+      fs.writeFileSync(filePath, data);
 
       return new Promise<SignerResult>(async (resolve) => {
-        const signature = await signatureFunction(u8aToHex(xp.toU8a(true)));
+        const signature = await signatureFunction(payloadHex, filePath);
         resolve({ id: 1, signature });
       });
     },
@@ -74,7 +108,7 @@ export async function createAndSendTx(
   });
 }
 export async function createAndSendTxPrompt(txArgs: TxArgs, networkArgs: NetworkArgs) {
-  return createAndSendTx(txArgs, networkArgs, async (payload: string) => {
+  return createAndSendTx(txArgs, networkArgs, async (payload: `0x${string}`) => {
     const response = await prompts({
       type: "text",
       name: "signature",
diff --git a/src/methods/getTransactionData.ts b/src/methods/getTransactionData.ts
index 31b61e8..21e4e22 100644
--- a/src/methods/getTransactionData.ts
+++ b/src/methods/getTransactionData.ts
@@ -1,14 +1,17 @@
 import { createAndSendTx } from "./createAndSendTx";
 import { NetworkArgs, TxArgs } from "./types";
 
-export async function getTransactionData(txArgs: TxArgs, networkArgs: NetworkArgs) {
-  return createAndSendTx(
-    txArgs,
-    networkArgs,
-    // Here we don't want to send the signature,
-    // just see the payload so we return empty signature
-    async (_: string) => {
-      return "0x";
-    }
-  );
+export async function getTransactionData(txArgs: TxArgs, networkArgs: NetworkArgs):Promise<{payload:`0x${string}`, filePath:string}> {
+  return new Promise((res)=>{
+    createAndSendTx(
+      txArgs,
+      networkArgs,
+      // Here we don't want to send the signature,
+      // just see the payload so we return empty signature
+      async (payload: `0x${string}`, filePath:string) => {
+        res({payload, filePath})
+        return "0x";
+      }
+    );
+  }) 
 }
diff --git a/src/methods/sign.ts b/src/methods/sign.ts
index 3a339ea..6763dab 100644
--- a/src/methods/sign.ts
+++ b/src/methods/sign.ts
@@ -1,4 +1,4 @@
-import { hexToU8a, stringToU8a, u8aToHex } from "@polkadot/util";
+import { hexToU8a, u8aToHex } from "@polkadot/util";
 import { Keyring } from "@polkadot/keyring";
 import type { KeyringPair } from "@polkadot/keyring/types";
 import type { KeypairType } from "@polkadot/util-crypto/types";
@@ -6,14 +6,13 @@ import { cryptoWaitReady } from "@polkadot/util-crypto";
 import prompts from "prompts";
 import { NetworkType } from "./types";
 
-// TODO display payload content
 export async function sign(
   type: NetworkType,
   privKeyOrMnemonic: string,
   prompt: boolean,
   derivePath: string,
   message?: string
-): Promise<string> {
+): Promise<`0x${string}`> {
   if (!["ethereum", "sr25519"].includes(type)) {
     throw new Error("Type is not supported");
   }
diff --git a/src/methods/types.ts b/src/methods/types.ts
index 2c240ca..90c7915 100644
--- a/src/methods/types.ts
+++ b/src/methods/types.ts
@@ -1,7 +1,12 @@
+import { SignerPayloadJSON } from "@polkadot/types/types";
+
 // Command Args
 export interface SignArgs extends SignPromptArgs {
   message: string;
 }
+export interface SignAndVerifyArgs extends SignArgs {
+  filePath: string;
+}
 export interface SignPromptArgs {
   type: string;
   privateKey: string;
@@ -48,3 +53,17 @@ export interface NetworkArgs {
 }
 
 export type NetworkType = "ethereum" | "sr25519";
+
+//Registry
+
+export interface RegistryPersistantInfo {
+  runtimeVersion: { specName: string; specVersion: number };
+  chainName: string;
+  chainProps: { ss58Format: string; tokenSymbol: string; tokenDecimals: string };
+  metadataHex: `0x${string}`;
+}
+
+export interface PayloadVerificationInfo {
+  payload: SignerPayloadJSON;
+  registryInfo: RegistryPersistantInfo;
+}
diff --git a/src/methods/utils.ts b/src/methods/utils.ts
index b692222..943cbe9 100644
--- a/src/methods/utils.ts
+++ b/src/methods/utils.ts
@@ -1,3 +1,5 @@
+import { ApiPromise, WsProvider } from "@polkadot/api";
+import { typesBundlePre900 } from "moonbeam-types-bundle";
 import { NetworkType } from "./types";
 
 export const moonbeamChains = ["moonbase", "moonbeam", "moonriver", "moonshadow"];
@@ -16,6 +18,22 @@ export function isNetworkType(type: string): NetworkType {
   }
 }
 
+export async function instantiateApi(network:string,ws:string):Promise<ApiPromise> {
+
+  let api: ApiPromise;
+  if (moonbeamChains.includes(network)) {
+    api = await ApiPromise.create({
+      provider: new WsProvider(ws),
+      typesBundle: typesBundlePre900 as any,
+    });
+  } else {
+    api = await ApiPromise.create({
+      provider: new WsProvider(ws),
+    });
+  }
+  return api
+}
+
 export function exit() {
   process.exit();
 }
diff --git a/src/methods/verifyAndSign.ts b/src/methods/verifyAndSign.ts
new file mode 100644
index 0000000..6c63217
--- /dev/null
+++ b/src/methods/verifyAndSign.ts
@@ -0,0 +1,42 @@
+import {
+  u8aToHex,
+} from "@polkadot/util";
+import fs from "fs";
+import { Metadata, TypeRegistry } from "@polkadot/types";
+import { NetworkType, PayloadVerificationInfo, RegistryPersistantInfo } from "./types";
+
+import { sign } from "./sign";
+import { initRegistry } from "./registryUtils";
+
+
+export async function verifyAndSign(
+  type: NetworkType,
+  privKeyOrMnemonic: string,
+  prompt: boolean,
+  derivePath: string,
+  filePath: string,
+  message: string
+): Promise<`0x${string}`> {
+  // get the payload data from the file
+  const rawdata = fs.readFileSync(filePath);
+  const payloadVerifInfoFromFile: PayloadVerificationInfo = JSON.parse(rawdata as any);
+
+  // Recreate registry
+  const registry = new TypeRegistry();
+  await initRegistry(registry, payloadVerifInfoFromFile.registryInfo);
+
+  // Check the payload against payload info
+  const hexFromSimpleRegistry = u8aToHex(
+    registry
+      .createType("ExtrinsicPayload", payloadVerifInfoFromFile.payload, {
+        version: payloadVerifInfoFromFile.payload.version,
+      })
+      .toU8a(true)
+  );
+
+  if (hexFromSimpleRegistry !== message) {
+    throw new Error("Payload is not matching payload in filepath");
+  }
+
+  return sign(type, privKeyOrMnemonic, prompt, derivePath, message);
+}
diff --git a/test/createAndSendTx.spec.ts b/test/createAndSendTx.spec.ts
index e42ffe5..a3e91dc 100644
--- a/test/createAndSendTx.spec.ts
+++ b/test/createAndSendTx.spec.ts
@@ -2,11 +2,17 @@ import { ApiPromise, WsProvider } from "@polkadot/api";
 import { expect } from "chai";
 import { ChildProcess } from "child_process";
 import { typesBundlePre900 } from "moonbeam-types-bundle";
-import { clearInterval } from "timers";
+import {getTransactionData} from '../src/methods/getTransactionData'
+import {sendSignedTx} from '../src/methods/sendSignedTx'
+import {verifyAndSign} from '../src/methods/verifyAndSign'
 import { createAndSendTx } from "../src/methods/createAndSendTx";
 import { ALITH, BALTATHAR, testnetWs } from "../src/methods/utils";
 import { createAndFinalizeBlock, startMoonbeamDevNode } from "./dev-node";
-import { testSignCLIPrivateKey } from "./sign.spec";
+import {
+  testSignCLIPrivateKey,
+  testSignCLIPrivateKeyWithFilePath,
+  testSignCLIWithFilePathWithError,
+} from "./sign.spec";
 var assert = require("assert");
 
 const testAmount = "1000000000000";
@@ -26,6 +32,7 @@ describe("Create and Send Tx Integration Test", function () {
     // setup network
     const init = await startMoonbeamDevNode(false);
     wsUrl = `ws://localhost:${init.wsPort}`;
+    console.log("wsUrl", wsUrl);
     api = await ApiPromise.create({
       provider: new WsProvider(wsUrl),
       typesBundle: typesBundlePre900 as any,
@@ -70,6 +77,146 @@ describe("Create and Send Tx Integration Test", function () {
       (Number(initialBalance) + Number(testAmount)).toString().substring(0, 15)
     );
   });
+  it.only("should increment Baltathar's account balance - step by step", async function () {
+    this.timeout(40000);
+
+    // First get initial balance of Baltathar
+    const initialBalance = await getBalance(BALTATHAR, api);
+
+    // Start producing blocks in parallel
+    let produceBlocks = true;
+    setInterval(async () => {
+      if (produceBlocks) {
+        await createAndFinalizeBlock(api, undefined, true);
+      }
+    }, 500);
+
+    // create and send transfer tx from ALITH
+    // await createAndSendTx(
+    //   {
+    //     tx: "balances.transfer",
+    //     params: BALTATHAR + "," + testAmount,
+    //     address: ALITH,
+    //     sudo: false,
+    //   },
+    //   { ws: wsUrl, network: "moonbase" },
+    //   async (payload: string) => {
+    //     return await testSignCLIPrivateKey(payload);
+    //   }
+    // );
+    const networkArgs={ ws: wsUrl, network: "moonbase" }
+    let {payload,filePath}=await getTransactionData({
+      tx: "balances.transfer",
+      params: BALTATHAR + "," + testAmount,
+      address: ALITH,
+      sudo: false,
+    },networkArgs
+    )
+    console.log(1)
+    let signature=await verifyAndSign('ethereum','0x5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133',false,`/m/44'/60'/0'/0/0`,filePath,payload)
+    console.log(2)
+    await sendSignedTx(networkArgs,filePath,signature,"0x740403003cd0a705a2dc65e5b1e1205896baa2be8a07c6e0070010a5d4e8")
+    console.log(3)
+
+    // Stop producing blocks
+    produceBlocks = false;
+
+    // Then check incremented balance of Baltathar
+    const finalBalance = await getBalance(BALTATHAR, api);
+    assert.equal(
+      Number(finalBalance).toString().substring(0, 15),
+      (Number(initialBalance) + Number(testAmount)).toString().substring(0, 15)
+    );
+  });
+  it("should increment Baltathar's account balance - use file to verify", async function () {
+    this.timeout(40000);
+
+    // First get initial balance of Baltathar
+    const initialBalance = await getBalance(BALTATHAR, api);
+
+    // Start producing blocks in parallel
+    let produceBlocks = true;
+    setInterval(async () => {
+      if (produceBlocks) {
+        await createAndFinalizeBlock(api, undefined, true);
+      }
+    }, 500);
+
+    // create and send transfer tx from ALITH
+    await createAndSendTx(
+      {
+        tx: "balances.transfer",
+        params: BALTATHAR + "," + testAmount,
+        address: ALITH,
+        sudo: false,
+      },
+      { ws: wsUrl, network: "moonbase" },
+      async (payload: string, filePath: string) => {
+        return await testSignCLIPrivateKeyWithFilePath(payload, filePath, wsUrl);
+      }
+    );
+
+    // Stop producing blocks
+    produceBlocks = false;
+
+    // Then check incremented balance of Baltathar
+    const finalBalance = await getBalance(BALTATHAR, api);
+    assert.equal(
+      Number(finalBalance).toString().substring(0, 15),
+      (Number(initialBalance) + Number(testAmount)).toString().substring(0, 15)
+    );
+  });
+  it("shouldn't increment Baltathar's account balance - use file to verify and fail", async function () {
+    this.timeout(40000);
+
+    // First get initial balance of Baltathar
+    const initialBalance = await getBalance(BALTATHAR, api);
+
+    // Start producing blocks in parallel
+    let produceBlocks = true;
+    setInterval(async () => {
+      if (produceBlocks) {
+        await createAndFinalizeBlock(api, undefined, true);
+      }
+    }, 500);
+
+    // create and send transfer tx from ALITH
+    const error: string = await new Promise((res) => {
+      createAndSendTx(
+        {
+          tx: "balances.transfer",
+          params: BALTATHAR + "," + testAmount,
+          address: ALITH,
+          sudo: false,
+        },
+        { ws: wsUrl, network: "moonbase" },
+        async (payload: string, filePath: string) => {
+          // look for error
+          console.log("payload", payload);
+          console.log("payload", payload.substring(0, payload.length - 3) + "zzz");
+          res(
+            await testSignCLIWithFilePathWithError(
+              payload.substring(0, payload.length - 3) + "zzz",
+              filePath
+            )
+          );
+          return "0x0";
+        }
+      );
+    });
+    // expect error from the sign cli
+    expect(error.substring(0, 50)).to.eq("Error: Payload is not matching payload in filepath");
+
+    // Stop producing blocks
+    produceBlocks = false;
+
+    // Then check incremented balance of Baltathar
+    const finalBalance = await getBalance(BALTATHAR, api);
+    assert.equal(
+      Number(finalBalance).toString(), //.substring(0, 15),
+      Number(initialBalance).toString() //.substring(0, 15)
+    );
+  });
   // tx expire after 256 blocks in moonbeam
   it("should increment Baltathar's account balance - immortal tx", async function () {
     this.timeout(40000);
diff --git a/test/sign.spec.ts b/test/sign.spec.ts
index 5359a5a..b71fd06 100644
--- a/test/sign.spec.ts
+++ b/test/sign.spec.ts
@@ -9,15 +9,29 @@ const expectedSignature =
 const expectedSignatureBaltathar =
   "0xa85517f8b6c9d88810fff4e734db98adf5ed77547ac4adc3c61e4dbb539a2caa1cbc0cf4b8708bb81bc48a4748c040fcafd7ae9cd1882313df420cdf1eb15a1b01";
 
-export async function testSign(command: string): Promise<`0x${string}`> {
+export async function testSign(
+  command: string,
+  lookForError: boolean = false
+): Promise<`0x${string}`> {
   return new Promise((resolve) => {
     let call = exec(command);
-    call.stdout?.on("data", function (chunk) {
-      let message = chunk.toString();
-      if (message.substring(0, 12) === "SIGNATURE : ") {
-        resolve(message.substring(12, message.length - 1));
-      }
-    });
+    if (lookForError) {
+      call.stderr?.on("data", function (chunk) {
+        let message = chunk.toString();
+        if (message.substring(0, 5) === "Error") {
+          resolve(message);
+        }
+      });
+    } else {
+      call.stdout?.on("data", function (chunk) {
+        let message = chunk.toString();
+        if (message.search("SIGNATURE") > -1) {
+          resolve(
+            message.substring(message.search("SIGNATURE") + 12, message.search("SIGNATURE") + 144)
+          );
+        }
+      });
+    }
   });
 }
 
@@ -28,6 +42,32 @@ export async function testSignCLIPrivateKey(data: string): Promise<`0x${string}`
   );
 }
 
+export async function testSignCLIPrivateKeyWithFilePath(
+  data: string,
+  filePath: string,
+  wsUrl: string
+): Promise<`0x${string}`> {
+  return testSign(
+    "npm run cli verifyAndSign -- --type ethereum --privateKey 0x5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133 --message " +
+      data +
+      " --filePath " +
+      filePath
+  );
+}
+
+export async function testSignCLIWithFilePathWithError(
+  data: string,
+  filePath: string
+): Promise<string> {
+  return testSign(
+    "npm run cli verifyAndSign -- --type ethereum --privateKey 0x5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133 --message " +
+      data +
+      " --filePath " +
+      filePath,
+    true
+  );
+}
+
 export async function testSignCLIMnemonic(data: string): Promise<`0x${string}`> {
   return testSign(
     `npm run cli sign -- --type ethereum --mnemonic "bottom drive obey lake curtain smoke basket hold race lonely fit walk" --message ` +