private void OnMessageReceived(RocketMessage rocketmessage)
 {
     MessageReceived?.Invoke(rocketmessage);
 }
        public async Task<MethodResult> UnpinMessageAsync(RocketMessage message)
        {
            var results =
                await _client.CallAsync("unpinMessage", TimeoutToken, message).ConfigureAwait(false);

            return results.ToObject<MethodResult>(JsonSerializer);
        }