FNB frozen account

I was called regard my limit on MoneyGram and was told that they would send me an email that I should provide some documents on however the consultant that called me did not inform me that they would be freezing my entire account where as I can not do anything using this card but they failed to send me an email that I should provide documents on but didn't fail to freeze my account this is the third day since I received a call and still there's no email from you guys and my account is still frozen this is such bad service and I'm not getting any help