public function get_qr_data( $attendee_id, $context = '' ) {
		/** @var Tribe__Tickets__Data_API $data_api */
		$data_api = tribe( 'tickets.data_api' );

		$attendee      = get_post( $attendee_id );
		$attendee_type = $data_api->detect_by_id( $attendee_id );

		if ( empty( $attendee ) || empty( $attendee_type['class'] ) ) {
			return new WP_Error( 'attendee-not-found', $this->messages->get_message( 'attendee-not-found' ) );
		}

		$service_provider = $data_api->get_ticket_provider( $attendee_id );
		if ( empty( $service_provider->checkin_key ) ) {
			return new WP_Error( 'attendee-check-in-not-found', $this->messages->get_message( 'attendee-check-in-not-found' ) );
		}

		$meta = array_map( 'reset', get_post_custom( $attendee_id ) );
		$data = [
			'id'         => $attendee_id,
			'checked_in' => isset( $meta[ $service_provider->checkin_key ] ) ? $meta[ $service_provider->checkin_key ] : '',
		];

		/**
		 * Filters the data that will be returned for a single attendee.
		 *
		 * @since 4.7.5
		 * @deprecated 5.7.0 Use `tribe_tickets_rest_qr_data` instead.
		 *
		 * @param array   $data     The data that will be returned in the response.
		 * @param WP_Post $attendee The requested attendee.
		 */
		$data = apply_filters_deprecated( 'tribe_tickets_plus_rest_qr_data', [ $data, $attendee ], '5.7.0', 'tribe_tickets_rest_qr_data' );

		/**
		 * Filters the data that will be returned for a single attendee.
		 *
		 * @since 5.7.0
		 *
		 * @param array   $data     The data that will be returned in the response.
		 * @param WP_Post $attendee The requested attendee.
		 */
		$data = apply_filters( 'tribe_tickets_rest_qr_data', $data, $attendee );

		return $data;
	}