TokensBought (index_topic_1address user, index_topic_2uint256 tokensBought, index_topic_3uint256 usdtPaid, uint256 timestamp)
[topic 0]:0x22f6af6e13430e3e7b6418d01e6a48c1fbce5e8cb1698901fc95134b4b1c58ad
[topic 2]:0x000000000000000000000000000000000000000000000000000000000003c42f
0x00000000000000000000000000000000000000000000000004946530b797692b000000000000000000000000000000000000000000000000000000006658682f