this could probably be in the graphics galley. an i thank its all up to you if you like your sig them keep it but you dont like it then dont. personley i like it all but the sub text its too dark.
I would change I'm legit to "Vouches" also make it slightly lighter, which would make it more visible and attractive. Hyperlink the signature using the tutorial in graphic resources section and use [*Center] Signature Code [/*Center] remove the *.