public virtual async Task <UpdateCatalogItemsResponse> UpdateCatalogItemsAsync(string modelId, Stream fileStream)
{
var response = await RepositoryClient.SendOctetStreamUpdateAsync(ApiKeys.Recommendations, $"{ApiKeys.RecommendationsEndpoint}{modelsUrl}{modelId}/catalog", fileStream);
return(JsonConvert.DeserializeObject <UpdateCatalogItemsResponse>(response));
}