public function prepare_item_for_response( $item, $request ) {
    $template = _build_block_template_result_from_post( $item );
    $response = $this->parent_controller->prepare_item_for_response( $template, $request );

    $fields = $this->get_fields_for_response( $request );
    $data   = $response->get_data();

    if ( in_array( 'parent', $fields, true ) ) {
      $data['parent'] = (int) $item->post_parent;
    }

    $context = ! empty( $request['context'] ) ? $request['context'] : 'view';
    $data    = $this->filter_response_by_context( $data, $context );

    // Wrap the data in a response object.
    $response = new WP_REST_Response( $data );

    if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
      $links = $this->prepare_links( $template );
      $response->add_links( $links );
    }

    return $response;
  }