Provision Soft Token (QR Code)

public AuthServerResponseProvisionQRCode ProvisionQRCode(string authServerPartnerLoginName, 
                 string authServerPartnerLoginPassword, 
                 string authServerPartnerUserLoginName, 
                 string deviceID, 
                 string accountName)

AuthServerResponseProvisionQRCode resp = ProvisionQRCode("accountLogin",             
            "accountKey", 
            "Mandy", 
            "142o6-ar4v3-q2b85", 
            "Prod");

 if (resp.ErrorCode != 0)  {      
       message.Text = resp.ErrorMsg;
       return false;
 }

 {  
  "username": "Mandy",
  "spAccountLoginName": "accountLogin",
  "spAccountLoginKey": "accountKey",
  "type": "get_oath_device_qrcode",
  "deviceId": "142o6-ar4v3-q2b85",
  "accountName": "Prod"
}

 {  
  "errorCode": 0,
  "errorMessage": "OK",
  "QRCodeURL": "https://qrcode_url_to_display"
  "type": "get_oath_device_qrcode"
}