{
  "id": 101,
  "created_at": "2014-01-01T00:00:00Z",
  "export_type": "common_cartridge",
  "attachment": {"url":"https://example.com/api/v1/attachments/789?download_frd=1&verifier=bG9sY2F0cyEh"},
  "progress_url": "https://example.com/api/v1/progress/4",
  "user_id": 4,
  "workflow_state": "exported"
}