file_store, did:did:zcsl:8879925.testnet, s_cid : U2FsdGVkX1/9gDtaIvvsN/dAuJxriYbkzLgbG1PLuMrzOGyN4AmJpagmCEkbMD3u4orNAyzdCPI4zhfiy+R81QOQeYtRuVWf4niy+IsaWCE=