def post_refresh_system_metadata(request):
    """MNStorage.systemMetadataChanged(session, did, serialVersion,
    dateSysMetaLastModified) → boolean."""
    d1_gmn.app.views.assert_db.post_has_mime_parts(
        request,
        (
            ('field', 'pid'),
            ('field', 'serialVersion'),
            ('field', 'dateSysMetaLastModified'),
        ),
    )
    d1_gmn.app.views.assert_db.is_existing_object(request.POST['pid'])
    d1_gmn.app.models.sysmeta_refresh_queue(
        request.POST['pid'],
        request.POST['serialVersion'],
        request.POST['dateSysMetaLastModified'],
        'queued',
    ).save()
    return d1_gmn.app.views.util.http_response_with_boolean_true_type()