h1.Subtask assigned to you: "$SubEntityTitle":"${__VirtualRootPath}/Products/Projects/Tasks.aspx?prjID=$ProjectID&ID=$EntityID" 

$__DateTime "$__AuthorName":"$__AuthorUrl" has appointed you responsible for the subtask: "$SubEntityTitle":"${__VirtualRootPath}/Products/Projects/Tasks.aspx?prjID=$ProjectID&ID=$EntityID" added to the "$EntityTitle":"${__VirtualRootPath}/Products/Projects/Tasks.aspx?prjID=$ProjectID&ID=$EntityID" task.

$AdditionalData.get_item("TaskDescription") 

^You receive this email because you are a registered user of the "${__VirtualRootPath}":"${__VirtualRootPath}" portal. If you don't want to receive the notifications about this task, please "unsubscribe":"${__VirtualRootPath}/Products/Projects/Tasks.aspx?prjID=$ProjectID&ID=$EntityID".^