Send a message

curl --request GET \
  --url https://api.helpyousponsor.com/v1/admin/message/send/{entity_id}/{donor_id}/{from}/{file_id}

{
  "entity_id": 123,
  "donor_id": 123,
  "file_id": 123,
  "entities": [
    {}
  ],
  "donors": [
    {}
  ],
  "from": "<string>",
  "from_title": "<string>",
  "to": "<string>",
  "s": "<string>",
  "from_name": "<string>",
  "recipients": [
    {}
  ],
  "file": {},
  "thumbnail": "<string>",
  "link": "<string>",
  "profileThumb": "<string>"
}