a:3:{s:7:"subject";s:26:"Milestone approval request";s:8:"greeting";s:20:"Hello {{user_name}},";s:7:"content";s:206:"A new milestone “{{milestone_title}}” of project “{{project_title}}” approval received from “{{seller_name}}” 
Please click on the button below to view the milestone.
{{project_activity_link}}";}