Buy (index_topic_1address tokenAddress, uint256 amount, uint256 price, uint256 fee, uint256 existingBalance)
[topic 0]:0x064fb1933e186be0b289a87e98518dc18cc9856ecbc9f1353d1a138ddf733ec5
0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000046aaf0e62800000000000000000000000000000000000000000000000000000003888c0b82000000000000000000000000000000000000000000000000000000010f5d36a700