curl --request GET \
  --url https://api.example.com/api/v1/buckets/{bucket_id}/permissions \
  --header 'Authorization: <api-key>'

{
  "count": 123,
  "permissions": [
    {
      "created_at": "<string>",
      "expires_at": "<string>",
      "granted_by": "<string>",
      "id": "<string>",
      "permission": "<string>",
      "principal_id": "<string>",
      "principal_type": "<string>"
    }
  ]
}