{
  "sceneName": "test_scene",
  "avatar_texture": "/abs/path/to/texture.png",
  "ground_texture": "/abs/path/to/ground.png",
  "objects": [
    {"type":"cube", "location":[1,0,0], "size":0.8, "color":[1,0,0,1]},
    {"type":"sphere", "location":[-1,0,0], "radius":0.6, "color":[0.2,0.7,0.3,1]}
  ],
  "lights": [
    {"type":"POINT", "location":[2,2,3], "energy":200}
  ],
  "sun_energy": 3.0
}