{
  "type": "skill_card",
  "skill_card_type": "timeline",
  "skill": {
    "type": "service",
    "id": "image-recognition-service"
  },
  "invocation": {
    "type": "skill_invocation",
    "id": "image-recognition-service-123"
  },
  "entries": [
    {
      "text": "John",
      "appears": [
        {
          "start": 1,
          "end": 20
        }
      ],
      "image_url": "https://example.com/image1.jpg"
    }
  ],
  "created_at": "2018-04-13T13:53:23-07:00",
  "duration": 1000
}