def query_newer_than(timestamp):
    """
    Return a query string for later than "timestamp"
    :param timestamp: CloudGenix timestamp
    :return: Dictionary of the query
    """
    return {
        "query_params": {
            "_updated_on_utc": {
                "gt": timestamp
            }
        },
        "sort_params": {
            "id": "desc"
        }
    }