/**
     * @Route("/comment/list/{trick_slug}/{offset}", condition="request.isXmlHttpRequest()")
     * @ParamConverter("trick", options={"mapping": {"trick_slug": "slug"}})
     * @param Trick $trick
     * @param ObjectManager $manager
     */
    public function comments(Trick $trick, $offset,  ObjectManager $manager)
    {
        $encoders = [new JsonEncoder()];
        $normalizer = new ObjectNormalizer()
        $normalizers = [$normalizer];

        $serializer = new serializer($normalizers, $encoders);

        $comments = $manager->getRepository(Comment::class)->findBy(['trick' => $trick->getId()],['id' => 'DESC'], 5, $offset);
        $commentSerialized = $serializer->serialize($comments, 'json', [
            'circular_reference_limit' => function ($object) { return $object->getId();}
        ];

        return new Response($commentSerialized, 200);
    }