{
  "elements": [
    {
      "key": "cube",
      "weight": 1.0
    },
    {
      "key": "sphere",
      "weight": 1.0
    },
    {
      "key": "octahedron",
      "weight": 1.0
    },
    {
      "key": "star",
      "weight": 1.0
    }
  ]
}
