tx 0x530cffe185f2ceb0bbdf54adf8cb04c0e23128c5b5bc3ef55e3b81f2c3342a0cCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 539664195,
    "price": 8150000000,
    "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
  }
}