Elastic search node.js client response

gistfile1.txt

{
    "body": {
        "took": 1277,
        "timed_out": false,
        "_shards": {
            "total": 1,
            "successful": 1,
            "skipped": 0,
            "failed": 0
        },
        "hits": {
            "total": {
                "value": 10000,
                "relation": "gte"
            },
            "max_score": 1,
            "hits": [
                {
                    "_index": "indexName",
                    "_type": "_doc",
                    "_id": "2f0e4524-1203-40a6-8527-aa980fc349a7[8196858]",
                    "_score": 1,
                    "_source": {
                        "doc": {
                            "owner": "059d2569-f268-417f-906b-cbed1f6fbcec",
                            "parentKey": [
                                {
                                    "value": "Value3",
                                    "name": "Name3"
                                },
                                {
                                    "value": "Value4",
                                    "name": "Name4"
                                }
                            ]
                        },
                        "@version": "1",
                        "doc_as_upsert": true,
                        "@timestamp": "2019-07-31T09:29:27.644Z"
                    }
                },
                {
                    "_index": "indexName",
                    "_type": "_doc",
                    "_id": "6f5652a3-8b33-4c53-8bea-316e8ab1b8c5[8201864]",
                    "_score": 1,
                    "_source": {
                        "doc": {
                            "owner": "71a83599-1751-4fa4-896a-46b644f29a50"
                            "parentKey": [
                                {
                                    "value": "Value1",
                                    "name": "Name1"
                                },
                                {
                                    "value": "Value2",
                                    "name": "Name2"
                                }
                            ]
                        },
                        "@version": "1",
                        "doc_as_upsert": true,
                        "@timestamp": "2019-07-31T09:29:33.795Z"
                    }
                }
            ]
        }
    },
    "statusCode": 200,
    "headers": {
        "content-type": "application/json; charset=UTF-8",
        "date": "Thu, 08 Aug 2019 13:27:15 GMT",
        "server": "nginx/1.12.2",
        "content-length": "113899",
        "connection": "keep-alive"
    },
    "warnings": null,
    "meta": {
        "context": null,
        "request": {
            "params": {
                "method": "GET",
                "path": "/indexName/_search",
                "body": "",
                "querystring": "",
                "headers": {
                    "User-Agent": "elasticsearch-js/7.3.0 (linux 3.10.0-862.9.1.el7.x86_64-x64; Node.js v8.9.4)",
                    "Content-Type": "application/json",
                    "Content-Length": "0"
                },
                "timeout": 30000
            },
            "options": {
                "size": 0,
                "aggs": {
                    "parentKey": {
                        "nested": {
                            "path": "doc.parentKey"
                        },
                        "aggs": {
                            "response": {
                                "aggs": {
                                    "name": {
                                        "terms": {
                                            "field": "doc.parentKey.name.keyword"
                                        },
                                        "aggs": {
                                            "value": {
                                                "terms": {
                                                    "field": "doc.parentKey.value.keyword"
                                                }
                                            }
                                        }
                                    }
                                },
                                "filter": {
                                    "term": {
                                        "doc.parentKey.name.keyword": "63bb04a3eb41417e8d0e61e074293581"
                                    }
                                }
                            }
                        }
                    }
                },
                "warnings": null
            },
            "id": 1
        },
        "name": "elasticsearch-js",
        "connection": {
            "url": "http://elasticsearch",
            "id": "http://elasticsearch",
            "headers": {},
            "deadCount": 0,
            "resurrectTimeout": 0,
            "_openRequests": 0,
            "status": "alive",
            "roles": {
                "master": true,
                "data": true,
                "ingest": true,
                "ml": false
            }
        },
        "attempts": 0,
        "aborted": false
    }
}