private async Task <SignalsDTO> CheckSignals(string currency)
        {
            SignalCommand signalCommand = new SignalCommand
            {
                Currency = currency
            };
            CommandResult <SignalsDTO> commandResult = await _cryptoCompareGateway.LatestSignals(signalCommand);

            return(commandResult?.Content);
        }
        public async Task <CommandResult <SignalsDTO> > LatestSignals([FromQuery] SignalCommand command)
        {
            var result = await _cryptoCompareGateway.LatestSignals(command);

            return(result);
        }