Swap (address inputCurrency, address outputCurrency, uint256 inputAmount, uint256 outputAmount, uint256 fee, uint256 feeRate)
[topic 0]:0xb3e2773606abfd36b5bd91394b3a54d1398336c65005baf7bf7a05efeffaf75b
0x00000000000000000000000000000000000000000000000004e51ebc596e131c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001a1c29ba4e314731