diff --git a/src/rpc/response.ts b/src/rpc/response.ts
index 0dbb75ea3..b8f2144e8 100644
--- a/src/rpc/response.ts
+++ b/src/rpc/response.ts
@@ -94,10 +94,10 @@ export class RpcAddressableEntity {
   @jsonMember({ name: 'entity', constructor: RpcAddressableEntity })
   entity: RpcAddressableEntity;
 
-  @jsonMember({ name: 'named_keys', constructor: NamedKey })
+  @jsonArrayMember(NamedKey, { name: 'named_keys' })
   namedKeys: NamedKey[];
 
-  @jsonMember({ name: 'entry_points', constructor: EntryPointValue })
+  @jsonArrayMember(EntryPointValue, { name: 'entry_points' })
   entryPoints?: EntryPointValue[];
 }
 
diff --git a/src/types/key/EntryPointAddr.ts b/src/types/key/EntryPointAddr.ts
index 68f8b9dbf..b2e59b8a9 100644
--- a/src/types/key/EntryPointAddr.ts
+++ b/src/types/key/EntryPointAddr.ts
@@ -1,4 +1,4 @@
-import { jsonArrayMember, jsonMember, jsonObject } from 'typedjson';
+import { jsonMember, jsonObject } from 'typedjson';
 import { concat } from '@ethersproject/bytes';
 
 import { EntityAddr } from './EntityAddr';
@@ -57,7 +57,7 @@ class VmCasperV1 {
   })
   entityAddr: EntityAddr;
 
-  @jsonArrayMember(Uint8Array, { name: 'NameBytes' })
+  @jsonMember(Uint8Array, { name: 'NameBytes' })
   nameBytes: Uint8Array;
 
   constructor(entityAddr: EntityAddr, nameBytes: Uint8Array) {
diff --git a/src/types/key/URef.ts b/src/types/key/URef.ts
index d265ff1ea..660f8d7c1 100644
--- a/src/types/key/URef.ts
+++ b/src/types/key/URef.ts
@@ -1,4 +1,4 @@
-import { jsonObject, jsonMember, jsonArrayMember } from 'typedjson';
+import { jsonObject, jsonMember } from 'typedjson';
 import { IResultWithBytes } from '../clvalue';
 import { Conversions } from '../Conversions';
 import { concat } from '@ethersproject/bytes';
@@ -34,7 +34,7 @@ export const ByteHashLen = 32;
 @jsonObject
 export class URef {
   /** The unique data (hash) associated with the URef, represented as a 32-byte array. */
-  @jsonArrayMember(Number)
+  @jsonMember(Uint8Array)
   data: Uint8Array;
 
   /** The access permissions assigned to this URef, defined by the `UrefAccess` enum. */