public function content() {
    $config = $this->config('openy.terms_and_conditions.schema');
    $timestamp = $config->get('accepted_version');
    $content = $this->t('Terms and Conditions were not accepted');

    // Is accepted.
    if ($timestamp) {
      $date = $this->dateFormatter
        ->format($timestamp, 'custom', 'F d, Y', 'UTC');
      $time = $this->dateFormatter
        ->format($timestamp, 'custom', 'H:i:s', 'UTC');
      $content = $this->t(
        'Terms and Conditions were accepted on @date at @time time UTC',
        [
          '@date' => $date,
          '@time' => $time,
        ]
      );
    }

    return new Response($content, 200, ['Content-Type' => 'text/plain']);
  }