fix: read stacks-core http event POST payloads for ignored events #1607

Job	Run time
test (cli, redis_tests)	15m 44s
distributions (ubuntu-latest, linux, x86_64-unknown-linux-gnu, x64, glibc)	1m 40s
test (sdk, stacks-signers)	8m 4s
distributions (windows-latest, windows, x86_64-pc-windows-msvc, x64)	6m 15s
distributions (macos-latest, darwin, x86_64-apple-darwin, x64)	1m 35s
distributions (macos-latest, darwin, aarch64-apple-darwin, arm64)	7m 51s
semantic-release	23s
build-publish (hirosystems/chainhook, chainhook-linux-x64-glibc, dockerfiles/components/chainhook...	12m 52s
deploy-dev (mainnet)	0s
deploy-dev (testnet)	0s
auto-approve-dev	0s
	54m 24s

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