// ICoreClient subscription methods
public void Unsubscribe(Guid subscriptionId)
{
Client.Unsubscribe(subscriptionId);
_Subscriptions.Remove(subscriptionId);
var cacheItems = Cache.GetCacheItems();
foreach (var cacheItem in cacheItems)
{
if (cacheItem.UserParam.SubscriptionId == subscriptionId)
{
Cache.Remove(cacheItem.UserKey, cacheItem.UserParam);
}
}
}