{
  "assetBase": "",
  "startScene": "scene_1",
  "variables": {},
  "scenes": {
    "scene_1": {
      "id": "scene_1",
      "videoUrl": "scene_1/video.mp4",
      "choices": [
        { "text": "选项 A", "targetScene": "scene_2" },
        { "text": "选项 B", "targetScene": "ending" }
      ]
    },
    "scene_2": {
      "id": "scene_2",
      "videoUrl": "scene_2/video.mp4",
      "nextScene": "ending"
    },
    "ending": {
      "id": "ending",
      "videoUrl": "ending/video.mp4",
      "choices": []
    }
  }
}