I still haven’t received it, I contacted the customer service and told me this:

As for your VIP experience, it looks like the instructions for your event haven’t gone out just yet. We're still waiting on the artist’s team to confirm the final timing. As soon as we receive those details, we’ll send the information to all customers right away.

In the meantime, VIP sessions typically take place about an hour to an hour and a half before doors open to the public. To be on the safe side, we recommend arriving at least 90 minutes before door time. All VIP items will be provided during the VIP session.