public static async Task <string> ProcessBalance(string ticker)
        {
            var req = new BalanceRequest
            {
                Coin     = ticker,
                Method   = "my_balance",
                Userpass = "******"
            };

            return(await ProcessRequest(req.ToJson()));
        }
 public static string ToJson(this BalanceRequest self) => JsonConvert.SerializeObject(self, Converter.Settings);