NotifyReward (index_topic_1address from, index_topic_2address reward, index_topic_3uint256 epoch, uint256 amount)
[topic 0]:0x52977ea98a2220a03ee9ba5cb003ada08d394ea10155483c95dc2dc77a7eb24b
[topic 3]:0x000000000000000000000000000000000000000000000000000000006750ed00
0x00000000000000000000000000000000000000000000001b1ae4d6e2ef500000