GameHub.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using Microsoft.AspNet.SignalR;

namespace DryRunDemo
{
    public class GameHub : Hub
    {
        static MyGame game = new MyGame();

        public override Task OnConnected()
        {
            game.UserManager.NewUser(Context);

            return base.OnConnected();
        }

        public void Move(string direction, bool startMoving)
        {
            var user = game.UserManager[Context];

            switch (direction)
            {
                case "Left":
                    user.Moving.Left = startMoving;
                    break;
                case "Right":
                    user.Moving.Right = startMoving;
                    break;
                case "Up":
                    user.Moving.Up = startMoving;
                    break;
                case "Down":
                    user.Moving.Down = startMoving;
                    break;
            }
        }
    }
}