{
  "fields": [
    {
      "name": "name",
      "type": "string"
    },
    {
      "name": "favorite_numbers",
      "type": "array"
    },
    {
      "name": "last_login",
      "type": "timestamp"
    },
    {
      "name": "last_location",
      "type": "geopoint"
    },
    {
      "fields": [
        {
          "name": "name",
          "type": "string"
        }
      ],
      "name": "friends",
      "type": "map"
    }
  ]
}