Broker implementation updated.

code/MessengerBroker/Models/Http/Messages.cs

@@ -0,0 +1,17 @@
+namespace MessengerBroker.Model.Http
+{
+    public class Messages
+    {
+        public class MessagesRequest
+        {
+            public Guid OwnerBrokerId { get; set; }
+
+            public DateTime SinceUtc { get; set; }
+        }
+
+        public class MessagesResponse
+        {
+            public MessengerApi.Db.Entities.Message[] Messages { get; set; }
+        }
+    }
+}