I'm starting to think you guys do not want/need merit !
Hint #1: it's not base58 or base64
Hint #2: if you would decode "NB2HI4DTHIXS65DFPB2GE2LOFZXGK5BPOFRWI2DPMF2GMZDQ" from
base32 to text the output would be
Extra hint: 2 more steps and you can find the image !