fix: read stacks-core http event POST payloads for ignored events #1605

Job	Run time
test (cli, redis_tests)	5m 10s
distributions (ubuntu-latest, linux, x86_64-unknown-linux-gnu, x64, glibc)	1m 43s
test (sdk, stacks-signers)	3m 22s
distributions (windows-latest, windows, x86_64-pc-windows-msvc, x64)	8m 47s
distributions (macos-latest, darwin, x86_64-apple-darwin, x64)	1m 40s
distributions (macos-latest, darwin, aarch64-apple-darwin, arm64)	1m 33s
semantic-release	0s
build-publish	0s
deploy-dev	0s
auto-approve-dev	0s
deploy-staging	0s
auto-approve-stg	0s
deploy-prod	0s
	22m 15s

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