{
 "layers": [
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   "layerId": 0,
   "layerName": "unable to receive 30Mbit/s",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
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     "label": ">0% - 20%",
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     "contentType": "image/png",
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