curl --location --request POST 'https://api.msaaq.com/v1/admin/billing/subscription' \ --header 'Accept: application/json' \ --header 'X-Tenant: 156' \ --form 'plan_price_id="3"' \ --form 'promo_code_id="promo_2OBqDgFpbIR6kzRY2KxTEuFf"'
{}