REQUEST
{
  "FetchTX": {
    "PayeeCode": "GPRS",
    "UserName": "APIgprsTST",
    "AccessCode": "c900262c206d9837782309a6c28444a4cd1fb749",
    "TerminalUser": "1234567",
    "ExtraValue": "3014909208",
    "Location": "GPRS HQ",
    "TrackingNum": "685247896524",
    "ReceiverName": "",
    "ReceiverPhone": ""
  }
}

RESPONSE
{
  "TrackingNum": "",
  "Token": "",
  "Status": "998",
  "StatusMessage": "Invalid ExtraValue",
 …
}