Handle the checkout process for sponsorships

curl --request GET \
  --url https://api.helpyousponsor.com/v1/frontend/order/sponsorships/{client_id}/{program_id}/{session_id}

{
  "status": "success",
  "data": {
    "entities": {},
    "amount_permissions": {},
    "profilePics": {},
    "titles": {},
    "vars": {},
    "total": 123,
    "d_frequencies": {},
    "d_frequency_options": {},
    "frequencies": {},
    "frequency_options": {},
    "frequency_text": "<string>",
    "hide_frequency": true,
    "designations": {},
    "designations_allowed": "<string>",
    "currency_symbol": "<string>",
    "saved_designations": {},
    "disable_program_link": "<string>"
  }
}