OperatorRegistered (uint256 index, address operator, uint256[4] blsKey)
[topic 0]:0x331f973b64838ebff40e989e4e441a3e3296615cce84c871a24c1ce7e821b4ba
[topic 1]:0x0000000000000000000000004c367c83801a0d7738db97b7318f29d26bfd67c0
0x0000000000000000000000000000000000000000000000000000000000000003039d78233f5e965f97c3fc3e1bb9c478d011a1a93769676248bcddab9f5f3a7a2e852984e81380df80a333f7eab1c590008e7d9215d3a83a9ed73fa5ab4e36671b0e55b014b4b9ba8bef7ee0c71c231e9ee84cb7c99f435f84978c69bedb547410c91a155cdf295085736662ee5f1e3abc69c69aa8c51c4225d1b8d1085285a0