protected override void HandleDataResponseError(RpcResponseException exception)
 {
     SubscriptionDataResponse?.Invoke(this, new StreamingEventArgs <TSubscriptionDataResponse>(exception));
 }
 protected override void HandleDataResponse(TSubscriptionDataResponse subscriptionDataResponse)
 {
     SubscriptionDataResponse?.Invoke(this, new StreamingEventArgs <TSubscriptionDataResponse>(subscriptionDataResponse));
 }