{ "currentVersion": 10.91, "id": 27, "name": "Zonage pollution ballast", "type": "Group Layer", "description": "", "geometryType": null, "copyrightText": "", "parentLayer": { "id": 19, "name": "Données environnement" }, "subLayers": [ { "id": 28, "name": "Ballast type A (non pollué)" }, { "id": 29, "name": "Ballast type A2 (DCMI (T))" }, { "id": 30, "name": "Ballast type B (DCMI)" }, { "id": 31, "name": "Ballast type E (DCB)" }, { "id": 32, "name": "Ballast type E (