RFCardCfg message in JSON format
{ "RFCardCfg":[{ "cardType":"", /*required, string, card type: "EMCard"-EM card, "M1Card"-M1 card, "CPUCard"-CPU card, "IDCard"-ID card, "DesfireCard"-DESFire card, "FelicaCard"-FeliCa card*/ "enabled": /*required, boolean, whether to enable RF card recognition: "true"-yes, "false"-no*/ }] }