Generate and return a temporary downloadable URL for the document entry page PDF.
Bearer authentication header of the form Bearer
Document ID. Pattern: doc_[0-9a-hjkmnp-tv-z]{26}
Success
GenerateEntryPageResponse contains the download URL for the entry page.
Temporary download URL for the entry page PDF.
"https://storage.factify.com/entry-pages/abc123.pdf?token=xyz"