用户申请注销帐户

申请成功
{
    "code": 0,
    "msg": "申请成功",
    "data": {
        "cancel_days": 1656556438
    },
    "seqid": 0
}
重复申请
 {
    "code": 933,
    "msg": "你已申请注销，还有8天将正式注销",
    "data": {
        "cancel_wait_day": "15",
        "days": 8,
        "cancel_days": "1655889613"
    },
    "seqid": 0
}