filter_children

{
    "type": "group",
    "logic": "AND",
    "field": "string",
    "operator": "string",
    "value": null,
    "children": [
        {
            "type": "group",
            "logic": "AND",
            "field": "string",
            "operator": "string",
            "value": null,
            "children": {
                "type": "group",
                "logic": "AND",
                "field": "string",
                "operator": "string",
                "value": null,
                "children": [
                    {
                        "type": "group",
                        "logic": "AND",
                        "field": "string",
                        "operator": "string",
                        "value": null
                    }
                ]
            }
        }
    ]
}