OperatorRegistered (uint256 index, address operator, uint256[4] blsKey)
[topic 0]:0x331f973b64838ebff40e989e4e441a3e3296615cce84c871a24c1ce7e821b4ba
[topic 1]:0x0000000000000000000000008074ab463bcdaee1d87ec98959084d659d48d4d5
0x000000000000000000000000000000000000000000000000000000000000000313884de0b5aa0a0d68810ec7471786d7d473dee8364088be3671e3e1ddf2c9e3022d4b2fca84e5be9adc00df2be1010153d71b924aad579a16fb1fd42a292f1b1f4c6011f9cf4a429196cb480c6e5911946d8fbabc82e9f20001eb76d6e8ebc11c282d86b754e4fcfd61a6f886a552a0ed9d27744c5f6a6810b9c160a27db2b1