Hey there! Nice to meet you!
Based on your description, it would be best to reach out directly to the dedicated team, which is Mojang Support, for further assistance, as they have the tools and resources to properly investigate your Minecraft Realms subscription purchase:
https://help.minecraft.net/hc/en-us/request/new?ticket_form_id=360001225811
Thank you for your kindness and understanding! Please feel free to let me know if you need anything else.
Best regards,
Darhyl