ERC20Withdraw (index_topic_1address rootToken, index_topic_2address childToken, address withdrawer, index_topic_4address receiver, uint256 amount)
[topic 0]:0x9c4f744b2e971d7058a9d8f43977e0e17bf7d57a48659f0e18541b7ee3d022e4
0x000000000000000000000000fe3623acf6056188b458bed6ec8e5ddd1a65b6680000000000000000000000000000000000000000000000006f05b59d3b200000