ClaimRewards (uint256 period, bytes32 _positionHash, address receiver, address reward, uint256 amount)
[topic 0]:0xc8c7ebd754a625a8677ab2031c7674259be1e8c1a7f3521cbf5edbca8f48099c
0x0000000000000000000000000000000000000000000000000000000000000b307821b0913596be01fba173b30751001020b675635a2316c0c3031d40960b609e00000000000000000000000078727b60f684f753152990dfa67e5c39406922790000000000000000000000002b2c81e08f1af8835a78bb2a90ae924ace0ea4be00000000000000000000000000000000000000000000000000011f21a777c381