whaleextrust

{
  "name": "verifyad",
  "base": "",
  "fields": [
    {
      "name": "exchange",
      "type": "name"
    },
    {
      "name": "from",
      "type": "name"
    },
    {
      "name": "to",
      "type": "name"
    },
    {
      "name": "trade_id",
      "type": "uint64"
    },
    {
      "name": "asset",
      "type": "extended_asset"
    }
  ]
}