The most fitters would bend it is 2*.  There is risk of breakage with 4*

Why couldn't you bring the club back to the store and exchange it for another? I've done that a couple times at Golf Mart (they have a 90 day playability guarantee on both new and used clubs).  The only thing that would void being able to return it is if you modified the club in any way (grip or shaft length change).

Thanks for the reply, I bought the club last year and the shop has now closed. I haven't even used the club once! 

It's suggested to only bend a vokey 2 degrees either way. It's possible you could have it bent all the way to 60 but you run the risk of breaking the hosel, which would not be covered under any warranty. 

Thanks for the reply I might just sell it

Two degrees is the general limit on bending the clubs.  It will also impact the bounce of the club when you bend it so you may not end up with the loft / bounce combination you are looking for.

4° is really not a good idea. The factory will only go 2°, so I would not trust anyone to go more than that and not damage the club.

A 56 degree Vokey in mint condition should be an easy trade-in, in just about any golf shop.

Vokeys are made of such high quality soft carbon steel that bending them 3-4 degrees is easy. I've bent many that much or more and never had one break. The issue with increasing the loft is that you will also increase the bounce 4 degrees. That may work out if you take shallow divots and for play out of bunkers but it will most likely take away many finesse shots around the green ( or at least make them tougher to execute ). It's always your risk when you have a club bent as far as how the experiment goes. If the wedge is in superb condition, I usually say sell it and use that money to get a proper bounce lob wedge.