tx 0xdd138e5bd7dd8165f5cbd88081e7839a09f8e820018d9e8d216a6a4535d4f5a9Copy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 644696748,
    "price": 28717000000,
    "market_id": 3,
    "post_only": true,
    "stop_loss": null,
    "account_id": 42,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}