Withdraw (bytes32 userId, address receiver, uint256 amount)
[topic 0]:0xe7284ffe0c70ad2f3b0aa15cde1cfe95f736935651a138725b21fd168edc5d6a
0x4b38505a4537326176534d36364d6e7000000000000000000000000000000000000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb480000000000000000000000000000000000000000000000000000000000000008