curl --request PUT \
  --url https://prod-api.raisedonors.com/api/Donor/transfer-recurring-gift \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "recurringGiftId": 123,
  "nextDonorId": 123
}
'

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "detail": "<string>",
  "instance": "<string>"
}