Create multiple audience attributes

curl --request POST \
  --url https://your_a2_service/audiences/attributes/bulk-add \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "code": "<string>",
    "name": "<string>",
    "owner_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "visibility": "public",
    "created_at": "2023-11-07T05:31:56Z",
    "description": "<string>",
    "updated_at": "2023-11-07T05:31:56Z"
  }
]
'

{
  "detail": "<string>"
}