{
    "tile_processors": [
        {
            "type": "leveled",
            "levels": [
                {
                    "level": 0,
                    "type": "weighted_target",
                    "target": "the_vault:placeholder",
                    "output": {
                        "the_vault:placeholder{ Hidden: 1b }": 1
                    }
                }
            ]
        }
    ]
}