https://selca.kastden.org/account_media_list/metadata/2955/metadata-2955-twitter-member_classy.txt
https://selca.kastden.org/account_media_list/metadata/2932/metadata-2932-naver_post-57528277.txt
https://selca.kastden.org/account_media_list/metadata/2760/metadata-2760-daum_cafe-M25.CLASSy.txt
https://selca.kastden.org/account_media_list/metadata/2727/metadata-2727-twitter-M25_CLASSy.txt