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     "groupId": "0",
     "height": 20,
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    },
    {
     "label": "High medium",
     "url": "c803ce6591e3567f0ea0f5baba472851",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBfEcc/1Ni0Ceb/YwoBlILsIwaSDFgodwIVDBqIOWAhQpmoIBRAykH8DCElWdUM5BaAABZhQY/whwP8QAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
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    },
    {
     "label": "Medium high",
     "url": "a9c505b8d99f022f9a2abadbfadf075b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBcvNa/lNi0KOkGkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAABKQAYSjCq9HQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
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    },
    {
     "label": "High",
     "url": "fcba861d009e0b8b0666d35722f36ab5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBYrld/ykx6NXkMkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAABb1gZFHZp7wwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
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    },
    {
     "label": "Very high",
     "url": "bc732b75083fdcc8f20d70c638ac0fda",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQElEQVQ4jWNhoDJgoZmBPPpV/ykx6MvFNkYUA6kFWEYNpBiwUG4EKhg1kHLAQgUzUMCogZQDeBjCyjOqGUgtAAB6EAadYR26OwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "TDS confidence"
    }
   ]
  }
 ]
}