{
  "clipRegion": "{\"center\":{\"x\":1404.428041009018,\"y\":-1137.6841223534332},\"parts\":[5],\"style\":null,\"prjCoordSys\":null,\"id\":0,\"type\":\"REGION\",\"points\":[{\"x\":602.0519531427489,\"y\":-1911.659023436514},{\"x\":2206.804128875287,\"y\":-1911.659023436514},{\"x\":2206.804128875287,\"y\":-363.70922127035226},{\"x\":602.0519531427489,\"y\":-363.70922127035226},{\"x\":602.0519531427489,\"y\":-1911.659023436514}]}",
  "datasourceName": "Changchun"
}