{
  "base": {
    "currency": "USD",
    "counterparty": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B"
  },
  "counter": {
    "currency": "BTC",
    "counterparty": "rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B"
  }
}