请求接口
/Assets/getUserAssets
返回数据示例
{
    "status":200,
    "source":"API",
    "msg":"OK",
    "data":[
        {
            "name":"eth", //币种名称
            "user_id":100000665, //用户ID
            "num":"10000", //可用数量
            "lock_num":"0" //冻结数量
            "type":1 //1数字货币 2 法币
        },
        {
            "name":"btc",
            "user_id":100000665,
            "num":"200.2379112",
            "lock_num":"0.",
            "type":1
        },
      ...
    ],
    "seconds":1625057641,
    "microtime":1625057641638
}