curl -X POST https://api.gosentrix.io/api/v1/mfa/enroll \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "Content-Type: application/json"

{
  "secret": "JBSWY3DPEHPK3PXP",
  "qr_code": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAA...",
  "backup_codes": [
    "ABCD-1234-EFGH",
    "IJKL-5678-MNOP",
    "QRST-9012-UVWX",
    "YZAB-3456-CDEF",
    "GHIJ-7890-KLMN"
  ]
}