gistfile1.js

{
  "author" : "Chris",
  "verb" : "share",
  "annotation" : "You go to it",
  "object" :
  {
    "objectType" : "activity",
    "recipients" : [
        {
           "displayName" : "Adina Levine",
           .....
         }
     ],
    "author" : "Martin",
    "postedTime" : "10/10/2010 09:00:00"
  }
  "postedTime" : "12/12/2010 10:00:00"
}