Edit 
				
					{
    "id":"_ID_",
    "jsonrpc":"2.0",
    "api": "1.0",
    "method":"hub.device.group.delete",
    "params":{
        "id": "deviceGroupId",
        "force": false
    }
}
Edit 
				
					{
    "error": null,
    "id": "_ID_",
    "result": {
    }
}