{
  "image": "warehouse-scene.png",
  "persons": [
    {
      "bbox": [
        40,
        80,
        60,
        50
      ],
      "keypoints": [
        70,
        90,
        2,
        75,
        110,
        2,
        65,
        120,
        1
      ]
    }
  ]
}