AssetRemoved (index_topic_1address asset, uint256 timestamp)
[topic 0]:0x3406221f53114f44c9a1bb93d08ee55735f39bf235a54741684a52501207bb54
0x000000000000000000000000a7f87e8d193e29bf1ed050fdd511b79fe0264d8b00000000000000000000000000000000000000000000000000000000000164a9