{ "viewBounds": { "top": 51.67892237072742, "left": -57.12813858000332, "bottom": -38.319553699100695, "leftBottom": { "x": -57.12813858000332, "y": -38.319553699100695, "m": null }, "right": 32.87033748982479, "rightTop": { "x": 32.87033748982479, "y": 51.67892237072742, "m": null } }, "viewer": { "leftTop": { "x": 0, "y": 0 }, "top": 0, "left": 0, "bottom": 256, "rightBottom": { "x": 256, "y": 256 }, "width": 256, "right": 256, "height": 256 }, "imageUrl": "http://support.supermap.com.cn:8090/iserver/output/temp/China_4214_100x100/147914678/1x0/477x260_58777006.png?_t=1770381287437", "mapName": "China_4214", "lastModified": 1770381287437 }