Create multiple audiences

curl --request POST \
  --url https://your_a2_service/audiences/bulk-add \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
[
  {
    "id": "<string>",
    "alt_id": {},
    "created_at": "2023-11-07T05:31:56Z",
    "id_type": "account_id",
    "properties": {},
    "updated_at": "2023-11-07T05:31:56Z"
  }
]
'

{
  "detail": "<string>"
}