Returns a specific service configuration

curl --request GET \
  --url https://commerce1.on-hellgate.dev/accounts/{account_id}/service-configurations/{id}

{
  "account_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "configuration": {},
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "service_registration_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}