public async Task <byte[]> GetCacheItemAsync(string key, string clientId, string tenantId)
{
_logger?.LogTrace("Getting cache item with key '{Key}' ...", key);
var result = await _storage.GetCacheItemAsync(key, clientId, tenantId, _defaultTimeout, _backgroundCts.Token);
_logger?.LogTrace("Getting cache item with key '{Key}' done!", key);
return(result);
}