FeesUpdated (uint256 newBuyFee, uint256 newSellFee)
[topic 0]:0x5c6323bf1c2d7aaea2c091a4751c1c87af7f2864650c336507a77d0557af37a1
0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000