Received call from this number, no message left. WCA Subscriber Services... called back and it just said that and cut out.

http://www.wcaconsent.com/HOME.html  this is the company... not sure if you signed up or not.

NOBODY signs up, this is a total fraud, and their scamsites are tricks to harvest more info. Do not go to scammers' websites.

Go here and complain

https://ftccomplaintassistant.gov