To earn the bonus you need to install the application.
https://www.westernunion.com/de/de/wuplus.html
After that, enter Country/Language Germany/English and create an account normally with all the correct data, except the address that must be in Germany (https://www.bestrandoms.com/random-address-in-de). The account is approved in minutes.
💡Final steps: Make a top-up with a €10 card (fee of 1.99, total 12.99) and then insert the referral code "JvTqwodrF9q7teA" in the button that appears in the rewards at the bottom of the page. As soon as you apply the code, €25 is added to your account, when making payments in the amount of 300 with the card, you earn another 25 €