{
  "baseMaps": [
    {
      "id": "0",
      "displayName": "Street Map",
      "iconUri": null,
      "exportTilesMapServiceUri": "",
      "mapServices": [
        {
          "id": "4"
        }
      ],
      "extensions": [],
      "properties": []
    },
    {
      "id": "1",
      "displayName": "Topographic Map",
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      "exportTilesMapServiceUri": "",
      "mapServices": [
        {
          "id": "6"
        }
      ],
      "extensions": [],
      "properties": []
    },
    {
      "id": "2",
      "displayName": "Imagery Map",
      "iconUri": null,
      "exportTilesMapServiceUri": "",
      "mapServices": [
        {
          "id": "5"
        }
      ],
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      "properties": []
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}