CheckedIn (address sender, uint256 cumulation, uint256 strike, uint256 latestTime)
[topic 0]:0x7e4c1be4a7f9736334ae1a21a54b75fe0b8ac49d1c72b89a21ec4802d4f6fabb
0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000006669e561