WhiteboardClientSchema(WhiteboardClientSchema)

{
    "uuid": "string",
    "user_str": "string",
    "x": 0,
    "y": 0,
    "instances": [
        {
            "uuid": "string",
            "whiteboard_id": 1,
            "whiteboard_object_id": 1,
            "parent_object_instance_id": 1,
            "z_level": 0,
            "x": 0,
            "y": 0,
            "origin_x": 0,
            "origin_y": 0,
            "width": 1,
            "height": 1,
            "open_width": 1,
            "open_height": 1,
            "wanted_x": 0,
            "wanted_y": 0,
            "wanted_open_width": 0,
            "wanted_open_height": 0,
            "wanted_origin_x": 0,
            "wanted_origin_y": 0,
            "is_open": true,
            "id": 1
        }
    ],
    "connections": [
        {
            "uuid": "string",
            "sender_instance_id": 1,
            "receiver_instance_id": 1,
            "sender_relative_coordinate_x": 0,
            "sender_relative_coordinate_y": 0,
            "receiver_relative_coordinate_x": 0,
            "receiver_relative_coordinate_y": 0,
            "color": "string",
            "shape": "straight",
            "width": 0,
            "style": "solid",
            "dash_gap": 0,
            "sender_end_type": "string",
            "receiver_end_type": "string",
            "id": 1
        }
    ]
}