Purchasing the game on the wrong account can cause a few issues when trying to play. Unfortunately, there is no way to transfer the game license from one account to another. If you have purchased the game on the wrong account, please contact Minecraft support and we will be happy to assist you with getting a refund. This way, you may re-purchase the game on the correct account. Please be aware that there is a 15-day refund policy from the time of purchase. Make sure to provide your transaction ID when you make your request.