https://docs.fcc.gov/public/attachments/DA-24-1193A1.pdf

{
  "appName": "fcc-edocspublic-exp-api-v1",
  "version": "1.0",
  "success": false,
  "errorType": "APIKIT:NOT_ACCEPTABLE",
  "description": "Not Acceptable",
  "correlationId": "3172cfe0-ac4a-11ef-809c-026a8dbc5ac5"
}