[
  {
    "type": "add",
    "id": "invalidfield",
    "version": 1,
    "lang": "en",
    "fields": {
      "unknown1": "unknown",
      "unknown2": "unknown",
      "name": null
    }
  },
  {
    "type": "add",
    "id": "nofields",
    "version": 1,
    "lang": "en"
  },
  {
    "type": "add",
    "id": "emptyfields",
    "version": 1,
    "lang": "en",
    "fields": {}
  },
  {
    "type": "add",
    "id": "id1",
    "version": 1,
    "lang": "en",
    "fields": {
      "name": "Brazil",
      "address": "Shibuya, Tokyo, Japan",
      "email_address": "info@razil.jp",
      "age": 1,
      "product": "groonga"
    }
  },
  {
    "type": "add",
    "id": "id2",
    "version": 1,
    "lang": "en",
    "fields": {
      "name": "Enishi Tech Inc.",
      "address": "Sapporo, Hokkaido, Japan",
      "email_address": "info@enishi-tech.com",
      "age": 2,
      "product": "groonga"
    }
  },
  {
    "type": "add",
    "id": "id3",
    "version": 1,
    "lang": "en",
    "fields": {
      "name": "ClearCode Inc.",
      "address": "Hongo, Tokyo, Japan",
      "email_address": "info@clear-code.com",
      "age": 3,
      "product": "groonga"
    }
  }
]