https://selca.kastden.org/account_media_list/metadata/198/metadata-198-twitpic-4m_kkwonsso.txt
https://selca.kastden.org/account_media_list/metadata/320/metadata-320-instagram-kkwonsso_94.txt
https://selca.kastden.org/account_media_list/metadata/49/metadata-49-twitter-4M_kkwonsso.txt