Try to parse Php Serialized object.

LaDOSE.Src/LaDOSE.Service/Interface/IEventService.cs

@@ -1,9 +1,12 @@
-using LaDOSE.Entity;
+using System.Collections.Generic;
+using LaDOSE.Entity;
+using LaDOSE.Entity.Wordpress;
 
 namespace LaDOSE.Business.Interface
 {
     public interface IEventService : IBaseService<Event>
     {
         bool CreateChallonge(int eventId, int wpEventId);
+        List<WPUser> GetBooking(int eventId, int wpEventId, Game game);
     }
 }

LaDOSE.Src/LaDOSE.Service/Interface/IUtilService.cs

@@ -0,0 +1,7 @@
+namespace LaDOSE.Business.Interface
+{
+    public interface IUtilService
+    {
+        bool UpdateBooking();
+    }
+}