public bool ValidSubscription(long UID, string MSISDN, string svcName, string Shortcode, bool IsMtn, string Productcode = null)
{
string serviceShortcode = System.Configuration.ConfigurationManager.AppSettings["SERVICE_SHORTCODE"].ToString();
return(_IAppUserRepository.ConfirmUserSubscription(UID, MSISDN, svcName, serviceShortcode, Productcode, IsMtn).isSuccess);
}
