Get a document by ID

curl --request GET \
  --url https://api.example.com/v2/documents/{id}

{
  "id": "<string>",
  "organizationId": "<string>",
  "fileName": "<string>",
  "mimeType": "<string>",
  "name": "<string>",
  "type": "<string>",
  "purpose": "organization_onboarding",
  "createdAt": "2023-11-07T05:31:56Z"
}