https://authz.constantcontact.com/oauth2/default/v1/authorize?client_id=5590c74b-97e8-4982-a8eb-6e6d61d31223&redirect_uri=https://xoplatforms.com/connect/constantcontact/&response_type=code&state=edc635a40072a982ca43828576da5c26&nonce=L1UOSKVZ&scope=contact_data%20campaign_data