deposcustody

{
  "name": "redeem",
  "base": "",
  "fields": [
    {
      "name": "sym",
      "type": "symbol_code"
    },
    {
      "name": "order_id",
      "type": "uint64"
    },
    {
      "name": "btc_txid",
      "type": "string"
    }
  ]
}