{
    "appid": "wxd678efh567hg6787",
    "mchid": "1230000109",
    "state": "PROCESSING",
    "out_trade_no": "20150806125346",
    "transaction_id": "1000320306201511078440737890",
    "sub_order_no": "20150806125346",
    "sub_order_id": "20150806125346",
    "modify_time": "2015-09-01T10:00:00+08:00",
    "explanation": "支付单已存在并且为非退单状态"
}