{
  "title": "Wild Kingdom (sample)",
  "tagline": "Animals and the habitats they live in",
  "about": "A tiny sample board showing the import JSON shape. Duplicate this pattern for your own board.",
  "lang": "en",
  "difficulty": 2,
  "categories": {
    "animal": {
      "color": "#6DCE9E",
      "label": "Animal"
    },
    "habitat": {
      "color": "#FFC454",
      "label": "Habitat"
    }
  },
  "nodes": [
    {
      "id": "lion",
      "label": "Lion",
      "category": "animal",
      "image": "https://upload.wikimedia.org/wikipedia/commons/7/73/Lion_waiting_in_Namibia.jpg"
    },
    {
      "id": "polar_bear",
      "label": "Polar bear",
      "category": "animal",
      "image": "https://upload.wikimedia.org/wikipedia/commons/e/e7/Polar_Bear_-_Alaska_%28cropped%29.jpg"
    },
    {
      "id": "savanna",
      "label": "Savanna",
      "category": "habitat"
    },
    {
      "id": "arctic",
      "label": "Arctic ice",
      "category": "habitat"
    }
  ],
  "links": [
    {
      "source": "lion",
      "target": "savanna",
      "type": "livesIn",
      "label": "lives in"
    },
    {
      "source": "polar_bear",
      "target": "arctic",
      "type": "livesIn",
      "label": "lives in"
    }
  ]
}