tx 0x68351152d3c34ca5efb23375c1b9b9491be156bbfd1dfc77a67e6e03dd7c1144Copy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 51504920,
    "price": 68507000000,
    "market_id": 4,
    "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
  }
}