Here's what I found from FAQs
STEP 6: Send an email to [email protected] with the following format:
Subject: "GCash AMEX – Paypal"
Message: 4-digit PayPal verification code request: (Your registered Globe/TM mobile phone number),
(Your GCash American Virtual Pay card number)
STEP 7: After receiving your 4-digit PayPal verification code, log in again to your PayPal account and click "Get Verified".
please call 2882 using your Globe mobile phone or (02)739-2882 to be assisted better