{
  "coordinates": "authored 960x640 input pixels; not output tracking",
  "landmarks": [
    {
      "name": "top-tip",
      "x": 480,
      "y": 160
    },
    {
      "name": "widest-collar",
      "x": 570,
      "y": 380
    },
    {
      "name": "ring-mark",
      "x": 420,
      "y": 270
    },
    {
      "name": "lower-stem",
      "x": 480,
      "y": 460
    }
  ]
}