curl --request POST \
  --url https://cerberus.eazybe.com/prod/api/v2/meta/wabas/{wabaId}/templates/library \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "libraryTemplateName": "order_confirmation_1",
  "template": {
    "name": "my_order_confirmation",
    "language": "en",
    "category": "UTILITY"
  }
}
'

{
  "id": "778899001126",
  "status": "APPROVED",
  "category": "UTILITY"
}