public async Task <IActionResult> DeleteAddressFromObservationList(DeleteAddressFromObservationListRequest request)
 {
     if (await _observableBalanceRepository.DeleteIfExistsAsync(request.Address))
     {
         return(Ok());
     }
     else
     {
         return(NoContent());
     }
 }
        public async Task <bool> EndObservationIfObservingAsync(
            string address)
        {
            var observationEnded = await _observableAccountStateRepository
                                   .DeleteIfExistsAsync(address);

            if (observationEnded)
            {
                _log.Info($"Balance observation for wallet [{address}] stoppped.");
            }

            return(observationEnded);
        }