OperatorRegistered (uint256 index, index_topic_2address operator, uint256[4] blsKey)
[topic 0]:0x331f973b64838ebff40e989e4e441a3e3296615cce84c871a24c1ce7e821b4ba
[topic 1]:0x0000000000000000000000000bb166f81d698b2a2c09765685577c7059545bc8
0x0000000000000000000000000000000000000000000000000000000000000005136ce26616f89d6951074253de81c45e17639c4282d024fc7966526d073bca842b4221fe2e0ed4bbf797ccc0c8e8654d39860ace97df0f5c62a0307a057ee19416882051036a20eeedae563cdc8e4f992803c64c0daa0a41514389eb8b1d44fa25d88b5198c5b7d66bb2e91e09404459788cc8534df108faca272de448f09058