CheckpointCreated (uint64 checkpointTimestamp, bytes32 beaconBlockRoot, uint256 validatorCount)
[topic 0]:0x575796133bbed337e5b39aa49a30dc2556a91e0c6c2af4b7b886ae77ebef1076
[topic 1]:0x0000000000000000000000000000000000000000000000000000000066befb54
[topic 2]:0xc5d47995cbd4adfa6709a4e6fd74a636418d1803e085c6aaefd2d67d264706f1
0x0000000000000000000000000000000000000000000000000000000000000002