Welcome to Spotify Community and thanks for reaching out here!
First of all, I recommend that you check on your account page if the payment was processed. If positive, there will be a receipt there, confirming the payment. If everything is correct with your payment, but Premium services aren't working, maybe you're not logged into the same account, so it's worth double-checking this too.
You can find more information and tips to solve this here:
If you have further questions or if you need anything else, let me know! I'd love to help!
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Note: I'm not a Spotify employee.