public async Task <List <AssetPairContract> > List([FromQuery] string legalEntity = null,
[FromQuery] MatchingEngineModeContract?matchingEngineMode = null, string filter = null)
{
var data = await _assetPairsRepository.GetByLeAndMeModeAsync(legalEntity, matchingEngineMode?.ToString(),
filter);
return(data.Select(x => _convertService.Convert <IAssetPair, AssetPairContract>(x)).ToList());
}