gistfile1.js

{
 "_id" : "1_522311",
 "chr" : "1",
 "pos" : 522311,
 "groups" : 
    [{ 
      "_id" : "12345",
      "label" : "group1", 
      "capabilities" : [{"name" : "value"}, {"name2": "value2"}]
     },
     { 
      "_id" : "54321",
      "label" : "group2", 
      "capabilities" : [{"name" : "value"}, {"name2": "value2"}]
     },
     { 
      "_id" : "9876",
      "label" : "group3", 
      "capabilities" : [{"name" : "value"}, {"name2": "value2"}]
     }]
}