{
    "cmd": "init",
    "payload": {
        "blackboard_id": 2,
        "data": [
            "{\"id\":1,\"z\":1,\"class\":\"Rectangle\",\"x\":234.5,\"y\":130.5,\"width\":297,\"height\":147,\"style\":{\"fillColor\":\"#FFFFFF\",\"strokeColor\":\"#000000\",\"strokeSize\":\"1\"},\"minWidth\":10,\"minHeight\":10,\"text\":\"Test\",\"font\":\"verdana\",\"fontSize\":\"16px\",\"fontStyle\":{\"bold\":false,\"italic\":false},\"boundingBox\":{\"x\":[234.5,383,531.5],\"y\":[130.5,204,277.5]}}",
            "{\"id\":1,\"z\":1,\"class\":\"Rectangle\",\"x\":234.5,\"y\":130.5,\"width\":297,\"height\":147,\"style\":{\"fillColor\":\"#FFFFFF\",\"strokeColor\":\"#000000\",\"strokeSize\":\"1\"},\"minWidth\":10,\"minHeight\":10,\"text\":\"Test\",\"font\":\"verdana\",\"fontSize\":\"16px\",\"fontStyle\":{\"bold\":false,\"italic\":false},\"boundingBox\":{\"x\":[234.5,383,531.5],\"y\":[130.5,204,277.5]}}"
        ]
    }
}