// Server Stream
        static async Task GetUsers(Multiplay.MultiplayClient client)
        {
            var req = new GetUsersRequest {
                RoomId = "XXXX"
            };

            using (var call = client.GetUsers(req))
            {
                while (await call.ResponseStream.MoveNext())
                {
                    Console.WriteLine("Greeting: " + call.ResponseStream.Current.Users);
                }
            }
        }
    public async Task GetUsers()
    {
        var req = new GetUsersRequest {
            RoomId = "XXXX"
        };

        using (var call = client.GetUsers(req))
        {
            while (await call.ResponseStream.MoveNext())
            {
                Console.WriteLine("GetUsers: " + call.ResponseStream.Current.Users);
                //InstantiateUsers(call.ResponseStream.Current.Users);
            }
        }
    }