virtualusers

{
  "name": "onadduser",
  "base": "",
  "fields": [
    {
      "name": "user",
      "type": "uint64"
    },
    {
      "name": "key",
      "type": "public_key"
    },
    {
      "name": "addition_info",
      "type": "uint16"
    }
  ]
}