curl --request POST \
  --url https://coreapi-dev.us.bcpapers.ca/v2/policies/assignments \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "policy_id": "<string>",
  "target_id": "<string>",
  "target_kind": "<string>"
}
'

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