public async Task <IMarginTradingWatchList> GetAsync(string accountId, string id)
        {
            var entity = await _tableStorage.GetDataAsync(MarginTradingWatchListEntity.GeneratePartitionKey(accountId),
                                                          MarginTradingWatchListEntity.GenerateRowKey(id));

            return(entity == null
                ? null
                : MarginTradingWatchListEntity.Create(entity));
        }
        public async Task <IMarginTradingWatchList> AddAsync(IMarginTradingWatchList watchList)
        {
            await _tableStorage.InsertOrReplaceAsync(MarginTradingWatchListEntity.Create(watchList));

            var entity =
                await _tableStorage.GetDataAsync(MarginTradingWatchListEntity.GeneratePartitionKey(watchList.ClientId),
                                                 MarginTradingWatchListEntity.GenerateRowKey(watchList.Id));

            return(MarginTradingWatchList.Create(entity));
        }