curl --request GET \
  --url https://{tenant_id}.hanko.io/saml/provider

{
  "enabled": true,
  "name": "MySamlProvier",
  "domain": "text.example",
  "metadata_url": "http://idp-metadata.url",
  "skip_email_verification": false,
  "attribute_map": {
    "name": "<string>",
    "family_name": "<string>",
    "given_name": "<string>",
    "middle_name": "<string>",
    "nickname": "<string>",
    "preferred_username": "<string>",
    "profile": "<string>",
    "picture": "<string>",
    "website": "<string>",
    "gender": "<string>",
    "birthdate": "<string>",
    "zone_info": "<string>",
    "locale": "<string>",
    "updated_at": "<string>",
    "email": "<string>",
    "email_verified": "<string>",
    "phone": "<string>",
    "phone_verified": "<string>"
  }
}