{
    "size": 0,
    "aggregations": {
        "agg": {
            "global": {},
            "aggregations": {
                "dim-1": {
                    "terms": {
                        "field": "field-1"
                    },
                    "aggregations": {
                        "dim-2": {
                            "terms": {
                                "field": "field-2"
                            },
                            "aggregations": {
                                "myStats": {
                                    "stats": {
                                        "field": "statsField"
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}