{
    "query": {
        "bool": {
            "must": [
                {
                    "exists": {
                        "field": "terms.product_cat.term_id"
                    }
                }
            ],
            "must_not": [
                {
                    "terms": {
                        "terms.product_cat.term_id": [
                            19011
                        ]
                    }
                }
            ]
        }
    }
}