{
"amount": "20.11",
"auth_no": "2016101210002001810258115912",
"extra_param": "{\"unfreezeBizInfo\": \"{\\\"bizComplete\\\":\\\"true\\\"}\"}",
"notify_url": "string",
"out_request_no": "2016101200104001110081001",
"remark": "2014-05期解冻200.00元"
}