[
  {
    "phone": "+1234567890",
    "name": "John Doe",
    "country": "US"
  },
  {
    "phone": "+447362053576",
    "name": "Jane Smith",
    "country": "UK"
  },
  {
    "phoneNumber": "+34600000000",
    "name": "Carlos Rodriguez",
    "country": "Spain"
  },
  {
    "phone_number": "+14155552671",
    "name": "Rachel Green",
    "country": "US"
  }
]