var original = {
  email: {
    0: 'user01@gmail.com',
    1: 'user02@gmail.com',
    2: 'user03@gmail.com'
  },
  name: {
    0: 'Sam',
    1: 'Jack',
    2: 'Lucy'
  },
  last_name: {
    0: 'Smith',
    1: 'Green',
    2: 'Tompson'
  }
};

var expected = [
  {
    email: 'user01@gmail.com',
    name: 'Sam',
    last_name: 'Smith'
  },
  {
    email: 'user02@gmail.com',
    name: 'Jack',
    last_name: 'Green'
  },
  {
    email: 'user03@gmail.com',
    name: 'Lucy',
    last_name: 'Tompson'
  }
];