{
  "coordinates": "authored 960x640 input pixels; not output tracking",
  "landmarks": [
    {
      "name": "leading-grain",
      "x": 480,
      "y": 330
    },
    {
      "name": "neck-entry",
      "x": 480,
      "y": 370
    },
    {
      "name": "neck-exit",
      "x": 480,
      "y": 390
    },
    {
      "name": "deposit-zone",
      "x": 480,
      "y": 510
    }
  ]
}