btexexchange

{
  "name": "cancelorder",
  "base": "",
  "fields": [
    {
      "name": "owner",
      "type": "account_name"
    },
    {
      "name": "pair_id",
      "type": "uint64"
    },
    {
      "name": "o_id",
      "type": "uint64"
    },
    {
      "name": "o_type",
      "type": "uint64"
    }
  ]
}