tx 0x56aecaf4842bfcb2d40f7083b15a401c85d5e8a9e9a2a367a7e78db24d53315fCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 551729982,
    "price": 7955000000,
    "market_id": 6,
    "post_only": true,
    "stop_loss": null,
    "account_id": 43,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}