public function get_item( $request ) {
		$activity = $this->get_activity_object( $request );

		$retval = array(
			$this->prepare_response_for_collection(
				$this->prepare_item_for_response( $activity, $request )
			),
		);

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after an activity is fetched via the REST API.
		 *
		 * @since 5.0.0
		 *
		 * @param BP_Activity_Activity $activity Fetched activity.
		 * @param WP_REST_Response     $response The response data.
		 * @param WP_REST_Request      $request  The request sent to the API.
		 */
		do_action( 'bp_rest_activity_get_item', $activity, $response, $request );

		return $response;
	}