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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAD1JREFUOI1jYaAyYKGlgf+pYB4jigvTZp0l26RZacYMDAw09vKogaMGjho4aiB2A2FFEJmAEd1ARkpMgwEAGrsFhue930kAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    },
    {
     "label": "very shallow depression",
     "url": "e16a67e1a111ab1a7cf8695ca8e9f8e4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADtJREFUOI1jYaAyYKGlgf+pYB4jqgsvLiffKP1IBgYGGnt51MBRA0cNHDUQh4HQIohMwIhuICMlpsEAAIrZA9utkb6NAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    },
    {
     "label": "very shallow flat",
     "url": "215420a27d5d53b17275c39e026a4587",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADxJREFUOI1jYaAyYKGlgf+pYB4jigv/v91PvknCjgwMDDT28qiBowaOGjhqIHYDYUUQmYAR3UBGSkyDAQDNtQSorUgEWAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}