curl --request GET \
  --url https://api.smokeball.com/matters/{matterId}/documents/files/{fileId} \
  --header 'Authorization: <api-key>' \
  --header 'x-api-key: <api-key>'

{
  "href": "<string>",
  "relation": "<string>",
  "method": "GET",
  "self": {
    "id": "<string>",
    "href": "<string>",
    "relation": "<string>",
    "method": "GET"
  },
  "id": "b471682e-fa17-4e46-b7fe-9b2b8fdcb3c2",
  "versionId": "<string>",
  "folder": {
    "id": "<string>",
    "href": "<string>",
    "relation": "<string>",
    "method": "<string>"
  },
  "name": "court filing",
  "fileExtension": ".pdf",
  "ownerId": "750eb5c5-ac0b-7d11-4997-e0ce9d8896c8",
  "to": "recipient@email.com",
  "from": "sender@email.com",
  "dateCreated": "2022-04-23T14:00:00Z",
  "dateModified": "2022-04-25T17:00:00Z",
  "sizeBytes": 19104768,
  "downloadInfo": {
    "id": "<string>",
    "href": "<string>",
    "relation": "<string>",
    "method": "<string>"
  },
  "additionalData": {},
  "isFavorite": false,
  "isUploaded": false,
  "isCancelled": false,
  "isDuplicate": true,
  "isDeleted": false
}