diff --git a/config/services.yaml b/config/services.yaml
index ef0ae7b..a71484f 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -29,8 +29,8 @@ services:
           - { name: kernel.event_listener, event: lexik_jwt_authentication.on_authentication_success, method: onAuthenticationSuccessResponse }
         arguments: ['@symfonycasts.micro_mapper', '@api_platform.iri_converter']
 
-    App\Serializer\MediaObjectNormalizer:
-      arguments:
-        $storage: '@vich_uploader.storage.file_system'
-      tags:
-        - { name: 'api_platform.jsonld.normalizer.item', priority: 1000 }
\ No newline at end of file
+#    App\Serializer\MediaObjectNormalizer:
+#      arguments:
+#        $storage: '@vich_uploader.storage.file_system'
+#      tags:
+#        - { name: 'api_platform.jsonld.normalizer.item', priority: 1000 }
\ No newline at end of file
diff --git a/migrations/Version20240207141851.php b/migrations/Version20240213115154.php
similarity index 92%
rename from migrations/Version20240207141851.php
rename to migrations/Version20240213115154.php
index 203cf53..2849d9d 100644
--- a/migrations/Version20240207141851.php
+++ b/migrations/Version20240213115154.php
@@ -10,7 +10,7 @@ use Doctrine\Migrations\AbstractMigration;
 /**
  * Auto-generated Migration: Please modify to your needs!
  */
-final class Version20240207141851 extends AbstractMigration
+final class Version20240213115154 extends AbstractMigration
 {
     public function getDescription(): string
     {
@@ -21,7 +21,7 @@ final class Version20240207141851 extends AbstractMigration
     {
         // this up() migration is auto-generated, please modify it to your needs
         $this->addSql('CREATE TABLE contact (id INT AUTO_INCREMENT NOT NULL, partner_id INT NOT NULL, image_id INT DEFAULT NULL, first_name VARCHAR(255) NOT NULL, last_name VARCHAR(255) NOT NULL, birthday DATE DEFAULT NULL, position VARCHAR(255) DEFAULT NULL, phone VARCHAR(255) DEFAULT NULL, email VARCHAR(255) DEFAULT NULL, created_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\', INDEX IDX_4C62E6389393F8FE (partner_id), INDEX IDX_4C62E6383DA5256D (image_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
-        $this->addSql('CREATE TABLE media_object (id INT AUTO_INCREMENT NOT NULL, file_path VARCHAR(255) DEFAULT NULL, PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
+        $this->addSql('CREATE TABLE media_object (id INT AUTO_INCREMENT NOT NULL, file_path VARCHAR(255) DEFAULT NULL, created_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\', PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
         $this->addSql('CREATE TABLE partner (id INT AUTO_INCREMENT NOT NULL, logo_id INT DEFAULT NULL, name VARCHAR(255) NOT NULL, type VARCHAR(255) NOT NULL, street VARCHAR(255) DEFAULT NULL, street_no VARCHAR(255) DEFAULT NULL, zip VARCHAR(255) DEFAULT NULL, city VARCHAR(255) DEFAULT NULL, country VARCHAR(255) DEFAULT NULL, website VARCHAR(255) DEFAULT NULL, created_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\', INDEX IDX_312B3E16F98F144A (logo_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
         $this->addSql('CREATE TABLE posting (id INT AUTO_INCREMENT NOT NULL, owner_id INT NOT NULL, message LONGTEXT NOT NULL, created_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\', INDEX IDX_BD275D737E3C61F9 (owner_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
         $this->addSql('CREATE TABLE `user` (id INT AUTO_INCREMENT NOT NULL, email VARCHAR(180) NOT NULL, first_name VARCHAR(255) NOT NULL, last_name VARCHAR(255) NOT NULL, roles JSON NOT NULL COMMENT \'(DC2Type:json)\', password VARCHAR(255) NOT NULL, active TINYINT(1) NOT NULL, created_at DATETIME NOT NULL COMMENT \'(DC2Type:datetime_immutable)\', UNIQUE INDEX UNIQ_8D93D649E7927C74 (email), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB');
diff --git a/src/Entity/MediaObject.php b/src/Entity/MediaObject.php
index fed44a2..bb0ff2a 100644
--- a/src/Entity/MediaObject.php
+++ b/src/Entity/MediaObject.php
@@ -68,8 +68,37 @@ class MediaObject
     #[ORM\Column(nullable: true)]
     public ?string $filePath = null;
 
+    #[ORM\Column]
+    private ?\DateTimeImmutable $createdAt = null;
+
+    public function __construct()
+    {
+        $this->createdAt = new \DateTimeImmutable();
+    }
+
     public function getId(): ?int
     {
         return $this->id;
     }
+
+    public function getContentUrl(): ?string
+    {
+        return $this->contentUrl;
+    }
+
+    public function getFile(): ?File
+    {
+        return $this->file;
+    }
+
+    public function getFilePath(): ?string
+    {
+        return $this->filePath;
+    }
+
+    public function getCreatedAt(): ?\DateTimeImmutable
+    {
+        return $this->createdAt;
+    }
+
 }
\ No newline at end of file
diff --git a/src/Serializer/MediaObjectNormalizer.php b/src/Serializer/MediaObjectNormalizer.php
index effc595..7cf46fb 100644
--- a/src/Serializer/MediaObjectNormalizer.php
+++ b/src/Serializer/MediaObjectNormalizer.php
@@ -15,6 +15,7 @@ use Symfony\Component\Serializer\SerializerAwareInterface;
 use Symfony\Component\Serializer\SerializerInterface;
 use Vich\UploaderBundle\Storage\StorageInterface;
 
+//final class MediaObjectNormalizer
 #[AsDecorator('api_platform.jsonld.normalizer.item')]
 final class MediaObjectNormalizer implements NormalizerInterface, SerializerAwareInterface
 {
@@ -31,7 +32,10 @@ final class MediaObjectNormalizer implements NormalizerInterface, SerializerAwar
     {
         $context[self::ALREADY_CALLED] = true;
 
-        $object->contentUrl = $this->storage->resolveUri($object, 'file');
+        if ($object instanceof MediaObject) {
+            // Nur für MediaObject die URI generieren
+            $object->contentUrl = $this->storage->resolveUri($object, 'file');
+        }
 
         return $this->normalizer->normalize($object, $format, $context);
     }
@@ -42,7 +46,7 @@ final class MediaObjectNormalizer implements NormalizerInterface, SerializerAwar
             return false;
         }
 
-        return $data instanceof MediaObject;
+        return $this->normalizer->supportsNormalization($data, $format, $context);
     }
 
     public function setSerializer(SerializerInterface $serializer): void