public function createMonitorOnlyWallet($chain, $name, $notification_queue_name = null)
    {
        $parameter_overrides = [];
        if ($notification_queue_name !== null) {
            $parameter_overrides['messageQueue'] = $notification_queue_name;
        }

        return $this->createWallet($chain, $name, 'monitor', $parameter_overrides);
    }