curl https://sandbox-b2b.revolut.com/api/1.0/auth/token \ -H "Content-Type: application/x-www-form-urlencoded"\ --data "grant_type=authorization_code"\ --data "code=oa_sand_[...]"\ --data "client_id=XXXX_[...]"\ --data "client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer"\ --data "client_assertion=long string [...]"