DistributeReward (address user, uint256 amount)
[topic 0]:0xe8b160e373db99a103e0a2abfa029b9c3fc8b328984a1ead8a65ae68ae646db7
0x000000000000000000000000f0849e601be4aa3f3b6a3bba26ed218c75cb38bf00000000000000000000000000000000000000000000000004c2206d3504f682