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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4jWNhoDJgGTWQYsAyUg38f9iBKqYx2h5ggRjGtJ8qBv4/7EgDLzPaHgCZTD0vgwDI0BGWbKgIWKhpGMPINBAAie4NFKSVdDUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "UNKNOWN",
     "url": "43760b83fc8ab17a241b3d2edf37330f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4jWNhoDJgGTWQYsBCuRGoYKQaOHv27AZGRkZ7Sgz6////wdTU1AbauDA1NbWBqgZSE7BQ1TSGUQOpAQZ/pAAA/XIKAJaPetwAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "UNKNOWN"
     ]
    },
    {
     "label": "YES",
     "url": "3ba0b336b3a564f402f397e6c31b556d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAR0lEQVQ4je3SsQkAIAxE0V/cEm6jk5ttMoYiuIHXxV+lenAQYU4ffE5FwYTuwBqEDrZgOsCE4Z/cII5sm8w9qPU2zmTVKAluAvoKESf7BUYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "YES"
     ]
    },
    {
     "label": "<all other values>",
     "url": "9fe37c026b7bbed80941bb52b10a73d2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAKklEQVQ4je3MIQEAAAzDsIP613w83MFFQLgyFmr4Ii30KBxhoUfhCAtPexArAFF5acCuAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "NEEDS CLEANED"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  }
 ]
}