https://selca.kastden.org/account_media_list/metadata/3175/metadata-3175-instagram-csr.offcl.txt
https://selca.kastden.org/account_media_list/metadata/3008/metadata-3008-bstage-csr.txt
https://selca.kastden.org/account_media_list/metadata/2824/metadata-2824-daum_cafe-csr.official.txt
https://selca.kastden.org/account_media_list/metadata/2800/metadata-2800-twitter-CSR_offcl.txt