Create multiple audience attribute values

curl --request POST \
  --url https://your_a2_service/audiences/attributes-values/bulk-add \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "code": "<string>",
    "value": "<string>"
  }
]
'

{
  "detail": "<string>"
}