https://selca.kastden.org/account_media_list/metadata/1799/metadata-1799-instagram-okada7_akb48_stu48.txt
https://selca.kastden.org/account_media_list/metadata/1105/metadata-1105-twitter-okadanana_1107.txt
https://selca.kastden.org/account_media_list/metadata/577/metadata-577-nanagogo-okada-nana.txt