tx 0x1c8dad614c3ca88920c14db72ba3be4c51a2c679c6ae809a90bd31a2881cf41bCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 4269704571,
    "price": 643000000,
    "market_id": 7,
    "post_only": true,
    "stop_loss": null,
    "account_id": 309,
    "order_type": "Limit",
    "reduce_only": true,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}