{"axis":"file_15075297","count":3,"labelled":0,"fields":[{"field":"순번","label":null,"label_source":null,"json_type":"string","coverage":"100.00","sample":"1"},{"field":"접속일자","label":null,"label_source":null,"json_type":"string","coverage":"100.00","sample":"2020-11-01 00:30:00"},{"field":"데이터 기준일","label":null,"label_source":null,"json_type":"string","coverage":"100.00","sample":"2020-12-01"}]}