RewardClaimed (index_topic_1address src, index_topic_2address recipient, index_topic_3address token, uint256 amount)
[topic 0]:0x2422cac5e23c46c890fdcf42d0c64757409df6832174df639337558f09d99c68
0x0000000000000000000000000000000000000000000000000de0b6b3a7640000