{
  "scene": "face",
  "nodes": [
    "face",
    "face_trans",
    "hulk",
    "hulk_color",
    "hulk_rotate",
    "old_lady",
    "skin_tone",
    "skin_tone_opacity"
  ],
  "edges": [
    {"source": "face", "target": "face_trans"},
    {"source": "face", "target": "hulk"},
    {"source": "hulk", "target": "hulk_color"},
    {"source": "hulk", "target": "hulk_rotate"},
    {"source": "face", "target": "old_lady"},
    {"source": "face", "target": "skin_tone"},
    {"source": "skin_tone", "target": "skin_tone_opacity"}
  ]
}