nex.shipload 合约 概览 操作 (20) 结构体 (33) 表 (7) 应用二进制接口 结构体 (33) withdraw withdraw中的操作参数 { "name": "withdraw", "base": "", "fields": [ { "name": "owner", "type": "name" }, { "name": "quantity", "type": "extended_asset" }, { "name": "memo", "type": "string" } ] }