public function subscribeAction(Block $block)
    {
        $response = $this->execute($block);
        $properties = $block->getProperties();

        if ($this->subscribed && isset($properties['responseType']) && $properties['responseType'] == 'redirect') {
            $content = $this->contentManager->getRepository()->find($properties['responseContent']);
            $response = new RedirectResponse($this->router->generate('_content', ['slug' => $content->getSlug()]));
        }
        
        return $response;
    }