<p>Dear [[ user_name ]],</p><p>A new user has subscribed to the platform.</p><p>Subscription Details:</p><ul><li>New User: [[ user_name ]]</li><li>Subscription Date: [[ start_date ]]</li><li>Plan Type: [[ subscription_plan ]]</li><li>Status: Active</li></ul><p>Please review the subscription details and welcome the new user.</p>