curl --request GET \
  --url https://services.pref.rio/app-busca-search/api/v1/admin/migration/status \
  --header 'Authorization: Bearer <token>'

{
  "backup_collection": "<string>",
  "completed_at": 123,
  "error_message": "<string>",
  "is_locked": true,
  "migrated_documents": 123,
  "progress": 123,
  "schema_version": "<string>",
  "source_collection": "<string>",
  "started_at": 123,
  "started_by": "<string>",
  "status": "idle",
  "target_collection": "<string>",
  "total_documents": 123
}