gistfile1.txt

http://duck.mozilla.com/assets/avatars/robot.XXX
http://duck.mozilla.com/assets/avatars/robot-0.1.0.XXX

{
  "name": "robot",
  "version": "0.1.0",
  "layers": [
    {
      "name": "base",
      "bundles": [
        { id: "robot-1", url: "https://duck.mozilla.com/assets/robot-desktop-0.3.4.glb" },
        { id: "robot-2", url: "https://duck.mozilla.com/assets/robot-mobile-0.3.4.glb" }
      ]
    }
  ],
  "hints": {
    "mobile-gen-1": ["base.robot-1"]
  }
}

http://duck.mozilla.com/assets/scenes/conference-room.XXX
http://duck.mozilla.com/assets/scenes/conference-room-0.2.0.XXX

{
  "name": "conference-room",
  "version": "0.2.0",
  "layers": [
    {
      "name": "environment",
      "bundles": [
        { id: "room-1", url: "https://duck.mozilla.com/assets/room-desktop-0.3.4.glb" },
        { id: "room-2", url: "https://duck.mozilla.com/assets/room-mobile-0.3.4.glb" }
      ]
    },
    {
      "name": "spawn-points",
      "bundles": [
        { id: "room-spawn", url: "https://duck.mozilla.com/assets/room-spawn-0.1.4.glb" }
      ]
    },
    {
      "name": "duck-interactables",
      "bundles": [
        { id: "room-ducks-1", url: "https://duck.mozilla.com/assets/room-ducks-desktop-0.0.4.glb" },
        { id: "room-ducks-2", url: "https://duck.mozilla.com/assets/room-ducks-mobile-0.0.4.glb" }
      ]
    }
  ],
  "hints": {
    "mobile-gen-1": ["environment.room-2", "duck-interactables.room-ducks-2"],
    "far-draw-distance": ["environment.room-2"]
  }
}