OperatorRegistered (uint256 index, index_topic_2address operator, uint256[4] blsKey)
[topic 0]:0x331f973b64838ebff40e989e4e441a3e3296615cce84c871a24c1ce7e821b4ba
[topic 1]:0x000000000000000000000000e552782cfb6b373cd06bbc70e40f86004bc3cc6f
0x00000000000000000000000000000000000000000000000000000000000000032fe56ea10aac91f65ea05f09d3a3a3e8999d4f25df70e31047bbdcba98ee247e0e8e339f13047f1c27075f03aed6e6ae73b1bbf2fa1420d3bd3dcda35a9ab7e22ccbe5bf1cb1e92d88d7b5948574857ec02066c50eee96e2f1aefe3d72f24ce627361269e82ef387fd4817dc5182889697271ff1c93e8faf90b3a1b6fa48882c