curl --request POST \
  --url https://cerberus.eazybe.com/prod/api/v2/meta/wabas/{wabaId}/templates/migrate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sourceWabaId": "1122334455",
  "pageNumber": 0
}
'

{
  "migrated_templates": [
    {
      "id": "778899001127",
      "name": "order_update"
    },
    {
      "id": "778899001128",
      "name": "payment_reminder"
    }
  ],
  "failed_templates": [
    {
      "name": "old_promo",
      "reason": "TEMPLATE_NAME_ALREADY_EXISTS"
    }
  ]
}