[자동 import] bike_incheon. 원본 속성: {"objectid":2618,"styp":4,"dway":"RWY002","bnam":"청라대로1R","lenth":1.9,"width":2,"pave":"PAV002","cmngt":"MGT000","ymd":"1899-11-30T00:00:00.000Z","mngt":"MGT260","note":"","sgg_cde":"28260","update_ym