[
    {
        "rows": [
            [
                {"name": "name"}, {"name": "parent"}
            ],
            [
                {"name": "from"}, false
            ],
            [
                {"name": "to"}, false
            ],
            [
                {"name": "subject", "fullWidth": true}
            ],
            [
                {"name": "bodyContains"}
            ]
        ]
    }

]