diff --git a/httpdocs/src/Controller/CreateMediaObjectAction.php b/httpdocs/src/Controller/CreateMediaObjectAction.php
index 05d9fa2..ca42e36 100644
--- a/httpdocs/src/Controller/CreateMediaObjectAction.php
+++ b/httpdocs/src/Controller/CreateMediaObjectAction.php
@@ -13,13 +13,16 @@ use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Attribute\AsController;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfonycasts\MicroMapper\MicroMapperInterface;
+use ApiPlatform\Core\Api\IriConverterInterface;
+use Symfony\Component\Serializer\SerializerInterface;
 
 #[AsController]
 final class CreateMediaObjectAction extends AbstractController
 {
     public function __construct(
         private MicroMapperInterface $microMapper,
-        private EntityManagerInterface $em
+        private EntityManagerInterface $em,
+        private SerializerInterface $serializer
     ) {
     }
 
@@ -42,6 +45,11 @@ final class CreateMediaObjectAction extends AbstractController
         $this->em->flush();
 
         $mediaObjectApi = $this->microMapper->map($mediaObject, MediaObjectApi::class);
-        return new JsonResponse($mediaObjectApi);
+
+        // Serialisieren Sie das Objekt mit dem API Platform Serializer
+        $jsonContent = $this->serializer->serialize($mediaObjectApi, 'jsonld', ['groups' => 'media_object:read']);
+
+        // Erstellen Sie eine JsonResponse mit dem serialisierten Inhalt
+        return new JsonResponse($jsonContent, 200, [], true);
     }
 }
\ No newline at end of file