{
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    "position": {
      "x": 0,
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    },
    "items": {
      "app_bg": {
        "type": 7,
        "bound": {
          "w": 0,
          "h": 0
        },
        "position": {
          "x": 0,
          "y": 0
        },
        "navigation": {
          "leftTo": null,
          "rightTo": null,
          "upTo": null,
          "downTo": null
        }
      }
    }
  }
}