Index: iknow-api/Services/Interfaces/IUserService.cs
===================================================================
--- iknow-api/Services/Interfaces/IUserService.cs	(revision 28592255f5866211ebd76ae2286b6373daa6b937)
+++ iknow-api/Services/Interfaces/IUserService.cs	(revision 41e4f9f182d0e57d4c515deb41ea1e59a02ca894)
@@ -1,2 +1,5 @@
+using System.Threading;
+using System.Threading.Tasks;
+using iknow_api.Core.Models;
 
 namespace iknow_api.Core.Interfaces
@@ -4,5 +7,6 @@
     public interface IUserService
     {
-        Task<JsonContent> AddUser(JsonContent newUser);
+        Task<User> AddUserAsync(User user, CancellationToken cancellationToken = default);
+        Task<int> GetUserByIdAsync(int id, CancellationToken cancellationToken = default);
     }
 }