  "XbsjImageryProvider": {
                                    "url": "//server.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}",
                                    "maximumLevel": 14,
                                },
                            }
                        },
                    }, {
                        "czmObject": {
                            "xbsjType": "Terrain",
                            "name": "中国14级（测试）",
               