I'm in the same boat, but....
"No hay operativa aduanera para devolver a origen.
Las opciones son la liberación por medio de un despachante o abandono a favor del estado para su destrucción."
Last time I send anything here.
Don't know if this applies here, but recently for rappi in Colombia they were insta banning foreign cards and you had to message their support to get them enabled.
Not sure if this applies to you but the US embassy listed on their website that you can get fingerprints done for the US background check at Registro Nacional de Reincidencia (Sector Orientación) on Wednesdays and Fridays from 8 am to 2 pm at Tucuman 1357, Buenos Aires...