{
    "draw": {
        "XXXXX_FIREBASE_AUTO_UID_XXXX": {
            "instructions":{
                "0": {
                    "angle" : 0
                    "cellSize" : 23
                    "color":"#FFFFFF"
                    "left":"115"
                    "top":"138"
                    "size":{
                        "col":2
                        "row":2
                    }
                },
                "1": {}
            }
            "user": "pseudo user",
            "userId": "XXXX_UUID_OAUTH_USER_XXXX"
        },
        "YYYY_FIREBASE_AUTO_UID_YYYY":{}
    }