{
    "fields": {
        "title": {
            "visible": {
                "conditionGroup": [
                    {
                        "type": "isNotEmpty",
                        "attribute": "accountId"
                    }
                ]
            }
        },
        "portalUser": {
            "visible": {
                "conditionGroup": [
                    {
                        "type": "isNotEmpty",
                        "attribute": "portalUserId",
                        "data": {
                            "field": "portalUser"
                        }
                    }
                ]
            }
        }
    }
}