Twitch Prime x Rockstar Games how do I get the reward?

I signed up for Rockstars Games with my Twitch Prime account yesterday but haven't received the money and the discounts yet when I go to the Rockstar Games page it says I would have to complete the tutorial mission but which one is that?

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https://support.rockstargames.com/de/articles/360033449314/Vorteile-von-Social-Club-x-span-class-highlight-Twitch-Prime-span-auf-meinem-Social-Club-Konto-erhalten