payload.js

user_a = {
   name: "jhon doe",
   items: [
     {
       title: "Card 1",
       details: {
         // ...more info
       },
       type: "A"
     },
     {
       title: "Card 2",
       details: {
         // ...more info
       },
       type: "B"
     },
     {
       title: "Card 3",
       details: {
         // ...more info
       },
       type: "C"
     },
     {
       title: "Card 4",
       details: {
         // ...more info
       },
       type: "D"
     }
   ]
 }