manualSwap (index_topic_1address account, uint256 oldamount, uint256 amount)
[topic 0]:0xd551363168ce4784e28e5d59fc07cbea2191657416e05f6e8cd8f1086eb91e6d
0x0000000000000000000000000000000000000000000000fb51c896d7225af5b50000000000000000000000000000000000000000000000000000000000000064