{
    "id":"_ID_",
    "jsonrpc":"2.0",
    "api": "1.0",
    "method":"hub.device.group.create",
    "params":{
        "name": "group_name",
        "categories": [
            { "category": "security_sensor", "subcategories": [ "co2", "leak" ]  }
            { "category": "scene_controller", "subcategories": [ "panic" ] }
        ],
        "devices": [],
        "exceptions": [],
        "persistent": false
    }
}