tx 0x219ef222b5fcf9faec1b7c85731fdd9f5fc67b8c15230e5e5a37c301c34c9a9eCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 553182762,
    "price": 30369000000,
    "market_id": 2,
    "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
  }
}