Exchange (index_topic_1address account, uint256 amountIn, uint256 amountOut)
[topic 0]:0x26981b9aefbb0f732b0264bd34c255e831001eb50b06bc85b32cc39e14389721
0x00000000000000000000000000000000000000000000000006f05b59d3b2000000000000000000000000000000000000000000000000fbe16804f33f9d800000