tx 0xbfd16961efe057557533dfecf7c97e40d1afadc9304998f7260565182ac4da0dCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Long",
    "size": 500000000,
    "price": 494000000,
    "market_id": 5,
    "post_only": true,
    "stop_loss": null,
    "account_id": 27,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}