Me personally, the average wait time is around 48 hours. I don’t exactly know how Apple Review is sequenced, as some Apps I submitted later turns out to be reviewed before earlier one. If review time is within 2 or 3 days I’d consider it as normal.

Sending an email with your situation well documented generally helps. After logging in with your account, clicking this link should lead you to Apple's developer support about program enrollment: https://developer.apple.com/contact/topic/SC1101/subtopic/30006/solution/select Good luck!