SignalR序列化问题

Question

Signalr Hub客户端尝试使用TopicFilter的对象调用Hub的Subscribe方法，该方法在集线器中没有正确地反序列化。 Subsribe中收到的类型是Filter，而我想要TopicFilter对象。如果我使用JsonSerializer类手动序列化和反序列化，但我希望信号器jasonSerilizer这样做，因为如果我必须手动执行，将会有很多地方。有什么想法吗？

hub = connection.CreateHubProxy("DebugDispatcherHub");
hub.JsonSerializer.TypeNameHandling = TypeNameHandling.Auto;
hub.JsonSerializer.TypeNameAssemblyFormat = FormatterAssemblyStyle.Full;

var topicfilter = new TopicFilter() { Topic = new Guid("5D5B26AD-5E6A-4B96-95C8-06540FC17E53") };
 hub.Invoke("Subscribe", filter); 

public class Filter { }

public  class TopicFilter : Filter
{
    public Guid Topic { get; set; }
}

[HubName("DebugDispatcherHub")]
public class DebugDispatcherHub : Hub
{
     public void Subscribe(Filter filter)
     {
         //some code here
     }
}

internal class Startup
{
    public void Configuration(IAppBuilder app)
    {
        app.MapSignalR();
        var service = (Newtonsoft.Json.JsonSerializer)GlobalHost.DependencyResolver.GetService(typeof(Newtonsoft.Json.JsonSerializer));
        service.TypeNameHandling = TypeNameHandling.Auto  ;
        service.TypeNameAssemblyFormat = FormatterAssemblyStyle.Full;
    }
}