RewardClaimed (index_topic_1address claimant, uint256 amount, uint256 nonce)
[topic 0]:0xf01da32686223933d8a18a391060918c7f11a3648639edd87ae013e2e2731743
0x000000000000000000000000000000000000000000040248e0cda4c115ce5e000000000000000000000000000000000000000000000000000000000000000021