[자동 import] bike_incheon. 원본 속성: {"objectid":1270,"styp":0,"dway":"RWY003","bnam":"","lenth":26.7,"width":0,"pave":"","cmngt":"MGT999","ymd":"1899-11-30T00:00:00.000Z","mngt":"MGT237","note":"","sgg_cde":"28237","update_ymd":"1899-11