OracleUpdate (index_topic_1address caller, index_topic_2uint256 referenceDay, index_topic_3uint256 referenceBlock, uint256 hashrate, uint256 reward, uint256 fees, uint256 difficulty, uint256 timestamp)
[topic 0]:0xa4f339c6fee573da0cfc2b6116a1f4b546d31bab7ebc051c25de7368e0c42d26
[topic 2]:0x0000000000000000000000000000000000000000000000000000000000004d4a
0x0000000000000000000000000000000000000000000000000000000065e68e4b000000000000000000000000000000000000000000000000000060c8c2835bba0000000000000000000000000000000000000000000001cd4161f1a2becca31300000000000000000000000000000000000000000000002a7891ccabc02a234a0000000000000000000000000000000000000000000000000000f72f9cb998d9000000000000000000000000000000000000000000000000000016c2d64ac614