OperatorStakeUpdate (index_topic_1bytes32 operatorId, uint8 quorumNumber, uint96 stake)
[topic 0]:0x2f527d527e95d8fe40aec55377743bb779087da3f6d0d08f12e36444da62327d
[topic 1]:0xbec746dceda40f429b92d6f818fb25a9ec78f738ad3d3601f633db5be8cbbeea
0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000