{
  "12345678": {
    "pin": "1234",
    "balance": 5000,
    "name": "Ashlok",
    "pinAttempts": 0,
    "isLocked": false
  },
  "87654321": {
    "pin": "4321",
    "balance": 9000,
    "name": "Anil",
    "pinAttempts": 0,
    "isLocked": false
  },
  "44441111":{
   "pin": "4444",
    "balance": 90000,
    "name": "Sunil",
    "pinAttempts": 0,
    "isLocked": false
  },
  "12481632":{
    "pin": "1248",
     "balance": 90000,
     "name": "Vikash",
     "pinAttempts": 0,
     "isLocked": false
   }
}