kofoatmceos1

{
  "name": "withdraw",
  "base": "",
  "fields": [
    {
      "name": "lockid",
      "type": "checksum256"
    },
    {
      "name": "preimage",
      "type": "string"
    },
    {
      "name": "opaccount",
      "type": "name"
    }
  ]
}