CheckpointCreated (uint64 checkpointTimestamp, bytes32 beaconBlockRoot, uint256 validatorCount)
[topic 0]:0x575796133bbed337e5b39aa49a30dc2556a91e0c6c2af4b7b886ae77ebef1076
[topic 1]:0x0000000000000000000000000000000000000000000000000000000066d9fa88
[topic 2]:0xc455d03a05290d3c3a094e44c2c2257078a7b59c1fbdb934c5d15701f54ddb00
0x0000000000000000000000000000000000000000000000000000000000000002