[
  {"job_id":"mina-001","owner":"mina","status":"completed","source_file":"sample.csv","row_count":4,"columns":["project","owner","status"],"missing_values":{"project":0,"owner":2,"status":1}},
  {"job_id":"joon-001","owner":"joon","status":"completed","source_file":"survey.csv","row_count":3,"columns":["project","owner","status"],"missing_values":{"project":0,"owner":0,"status":1}}
]