https://selca.kastden.org/account_media_list/metadata/1991/metadata-1991-instagram-n__n__0810.txt
https://selca.kastden.org/account_media_list/metadata/1727/metadata-1727-twitter-N__N__0810.txt
https://selca.kastden.org/account_media_list/metadata/1501/metadata-1501-nanagogo-nomura-nao.txt