tx 0x504682bfb204e47baef5a5d320ef9cb6b9a121dc9a3cfb332f568134a412abafCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 271830616,
    "price": 8121000000,
    "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
  }
}