{ "layers": [ { "layerId": 3, "layerName": "Gas Leak Survey", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "Grade 1", "url": "aaa5bb6cba365576c321685b121da52f", "imageData": "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", "contentType": "image/png", "groupId": "0", "height": 30, "width": 20, "values": [ "1" ] }, { "label": "Grade 2", "url": "3fcdbcb8b467775544ef9ba5021abed4", "imageData": "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", "contentType": "image/png", "groupId": "0", "height": 30, "width": 20, "values": [ "2" ] }, { "label": "Grade 3", "url": "fc02b067b705118034abe80c67415974", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAeCAYAAAAsEj5rAAAACXBIWXMAAA7EAAAOxAGVKw4bAAACfklEQVRIiaWUv2/TQBTHv4Gj2PkloniKMiNL1KBkTA0EJFZgdTrCiqpMoTDEHhCk4ociVtY2M0XsLjIZk6FL/gEqBo6hkNy1PTcMxNRJzo0j3uZ3dx9/3ntnE0REaaN0P1VQy8e/jrMrmZW6YH4PAE6Fv7eSUna9Tc+VnSOSXLZUv/FWu5Z7BAC5q1eCfBkABBNlRnnd3Fpz4SecWfAU0GxVbJIkzUwxHSUOohJkimkIJqqM8mppo/Sg3+7vzgHNl2aVJC+cC5OBL6nko9mqOF6ja4eB2QTBm7iwcCh5BYzyJoAz4M3Xa3a6kCwHmwzNwAvzlRTQGeygM9ieyql5BWarYnuNrk0AYOyP60Q9a+eqdl160NLXYek1GJqBZ95TqSWZ9G6pMlc1A5a+PvVCNa8AQJEMvw+zmpGLDesMdiLXzFblMUkV1LJs0dJrsPRaJNDQDHQk58jwgPUmuktYbsN6+HkuPzxgPdJv993q+1tYDvnXNNzHEybQb/ddAuCQ06NeppiWlj4bQRssvYbnoUkL5rsADgkAEPXiJ055WYlZuqXX0BnsYP/HPgCAU47ht9E7YHKxvUbXNluVZhyg7H4yyhF8z+Gfg8MpjwUNB6ccAJzg+R8wbNkZbM9ZyEIwAfbzyA1+DLOGS1syygE/4YRzU8CJJQAshAomIJjveptf3UhgCLoQKLOTAidxbumccoiRcLzNrju7JgWeZymYwAkTCA8ijmGkJaMc4vfpnahDkUDZgKIGEddwLqIGERvoNbr2vQ93m5xykCRZaBfLkFHuqHmlySiHkru8t2j/QmBgKUYC7pMv9n8DAWA8hpMupG7H2RsLqGhJF4AbZ+8ff0Y6Uk6HUYoAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 30, "width": 20, "values": [ "3" ] } ], "legendGroups": [ { "id": "0", "heading": "Leak Grade" } ] } ] }