UsdPerUnitGasUpdated (index_topic_1uint64 destChain, uint256 value, uint256 timestamp)
[topic 0]:0xdd84a3fa9ef9409f550d54d6affec7e9c480c878c6ab27b78912a03e1b371c6e
[topic 1]:0x000000000000000000000000000000000000000000000000ccf0a31a221f3c9b
0x00000000000000000000000000000000000000000000000000000068c61714000000000000000000000000000000000000000000000000000000000066f15810