Page Comparison

[ 
 { "productId": "pid1", 
   "scores": [
     { 
       "categoryId": "1", 
       "weight": 50.0
     } , 
     { 
       "categoryId": "2", 
       "weight": 10.0
     }
   ]
  },
 { "productId": "pid2", 
   "scores": [
     { 
       "categoryId": "3", 
       "weight": 100.0
     }
   ] 
  } 
 ]