RewardClaimed (address user, uint256 amount, uint256 timestamp)
[topic 0]:0xf01da32686223933d8a18a391060918c7f11a3648639edd87ae013e2e2731743
0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004f3af94a698bd13