NRB ACTTING SUBSCRIPTION FEE

I receive a notification on my cell phone about one aouthorised debit that was supposed to go off on my bank account - I noticed that the available fund were short around about an amount of 200.00 soon as I get in the office phone Nedbank call centre to explain to me what are these fee for as I haven't subscribed anything I have been using this bank for more that seven years , call centre put me on hold more than ten times only to find out that they will tell me that I must go to the nearest branch they are the one that can help me to reverse the fee I MEAN REALLY WHAT ARE THEY ARE THERE FOR IS THEY CANT ASSIST US . went to the branch same story sat there for 2 hours only for them to phone the call centre to assist but I went through hell as they kept on putting me through to different people who seems like they don't know what they are doing , final got hold of someone said I must unsubscribe . HOW CAN YOU UNSUBCRIBE FOR SOMETHING YOU DIDNT SIGN UP FOR . came back to the office phone the call centre again mange to get hold of someone said I must phone the support something its something that got to do with my internet banking HOW SO?. Phoned these support people who didn't help me at all said its nedbank thing they must sort it out -------- hello can I get my money back as I didn't sign up for this and I am scared for my money I will shop around for the bank that can assist me when I need help