gauge("hydra.queue.notification.time_avg_ms", $json->{nrNotificationTimeAvgMs});
    gauge("hydra.queue.notification.time_ms", $json->{nrNotificationTimeMs});
    gauge("hydra.queue.notification.done", $json->{nrNotificationsDone});
    gauge("hydra.queue.notification.failed", $json->{nrNotificationsFailed});
    gauge("hydra.queue.notification.in_progress", $json->{nrNotificationsInProgress});
    gauge("hydra.queue.notification.pending", $json->{nrNotificationsPending});