{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "private/verify_block_trade",
  "params": {
    "nonce": "okpdjkdo",
    "timestamp": 1565172650935,
    "role": "maker",
    "trades": [
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        "direction": "buy",
        "price": 11624,
        "amount": 40
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}