public static async Task <ValidateSecureTokenModel> ValidateSecureTokenAsync(string userToken, string secureToken)
        {
            try
            {
                var req = await PayementBestConcert.ValidateSecureTokenAsync(userToken, secureToken);

                var result = JsonConvert.DeserializeObject <ValidateSecureTokenModel>(req);

                return(result);
            }
            catch (Exception exception)
            {
                throw new Exception(exception.Message);
            }
        }
        public static async Task <CheckCreditCardModel> CheckCreditCardAsync(string userToken, string creditCardNumber, string expirationDate)
        {
            try
            {
                var req = await PayementBestConcert.CheckCreditCardAsync(userToken, creditCardNumber, expirationDate);

                var result = JsonConvert.DeserializeObject <CheckCreditCardModel>(req);

                return(result);
            }
            catch (Exception exception)
            {
                throw new Exception(exception.Message);
            }
        }