OperatorRegistered (uint256 index, index_topic_2address operator, uint256[4] blsKey)
[topic 0]:0x331f973b64838ebff40e989e4e441a3e3296615cce84c871a24c1ce7e821b4ba
[topic 1]:0x00000000000000000000000033a71b52259baa2213ae2382150bf26b07955213
0x000000000000000000000000000000000000000000000000000000000000000307aac73e3591859d08e12ba3b6b7575b519637715a3723244e88f70ba6b8b44d2e17b79deddfc176fa34654a0a7b480fe8aaf257f3b7bf7c43e9fb59438163b2120c7a78d4451fecb86ac7905f27f52ac4fba6139589ca721632d45f4adcb8541ebf9193d7f8fc6b1cde5c974f70ce3c79e8f7e1e867e58b4436012ec6926cf9