tx 0xa97353439a14c7a3a970144fa6524aa0f2419ddf9a6c492391a6e8a81f5d7e1cCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 333971254,
    "price": 8129000000,
    "market_id": 6,
    "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
  }
}