curl -X DELETE \
  'https://api.appcharge.com/v1/portal-content/507f1f77bcf86cd799439011' \
  -H 'x-publisher-token: <x-publisher-token>'

{}

{
  "message": "BAD_REQUEST",
  "requestUrl": "/v1/portal-content/{contentId}",
  "body": "Invalid content ID or deletion error."
}

{
  "message": "UNAUTHORIZED",
  "requestUrl": "/v1/portal-content/{contentId}",
  "body": "Invalid or missing publisher token."
}

{
  "message": "NOT_FOUND",
  "requestUrl": "/v1/portal-content/{contentId}",
  "body": "Content not found."
}

{
  "message": "INTERNAL_SERVER_ERROR",
  "requestUrl": "/v1/portal-content/{contentId}",
  "body": "Server error."
}