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     "groupId": "0",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4je3UsQ0AIBBCUS5hPad1wLPShBrs7g/wCgqIcPwG9kY7UC2UgKk4oB19QhvQjwFDGtDvbXj/LAamOiNRA6Aq89SdAAAAAElFTkSuQmCC",
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     "contentType": "image/png",
     "groupId": "0",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4je3UsQ0AIBBCUS5hQSd1xLPShBrs7g/wCgqIcPwG9kI7UG2UgKk4oB19QhvQjwFDGtDvbXj/LAamOkUBBAJUCJfUAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
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     "label": "73 to 60",
     "url": "f2c5dae169c5fc091592761e9e28c5b5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWNhoDJgoZmB/8GIfMAIRrR0IbUAC9VMgoJRAykHLFQwAwWMGkg5YBnBBjJCyzOqGUgtAABgfwJTnasaYgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
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   "legendGroups": [
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