{ "openid": "odkx20ENSNa2w5y3g_qOkOvBNM1g", "appid": "wx1234567", "offer_id": "12345678", "ts": 1507530737, "zone_id": "1", "pf": "android", "amt": 123, "bill_no": "BillNo_123", "sig": "f705c7351830125282ffc6d3c22c81db19b50a748f60f7c8f267e59152941d83" }