Game Engine JSON Structure.

build.json

{
  "resources": {
    "game" : [
      { "id": "players", "url": "assets/tp/players.json" },
      { "id": "level", "url": "assets/tilemaps/test.json", "type": "tilemap" }
    ],
  },
  "scenes": {
    "scene-1": { "url": "assets/scene-1.json" }
  }
}

scene-1.json

{
  "preload": ["game"],
  "entities": [
    {
      "id": "level",
      "properties": {
        "x": 0,
        "y": 0
      },
      "components": [{
        "name": "Tilemap",
        "properties": {
          "tilemap": "level"
        }
      }],
      "children": [{
        "id": "player",
        "properties": {
          "x": 500,
          "y": 200
        },
        "components": [
          "CameraFollow",
          "PlayerBehaviour"
        ]
      }]
    }
  ]
}