curl --request GET \
  --url https://coreapi-dev.us.bcpapers.ca/v2/policies/{id}/assignments \
  --header 'Authorization: <api-key>'

{
  "assignments": [
    {
      "created_at": "<string>",
      "id": "<string>",
      "policy_id": "<string>",
      "target_id": "<string>",
      "target_kind": "<string>"
    }
  ]
}