tx 0x6cce539b451b9a230d9b97ce4440c590fee6d3d0b55ba9cfc6cd736ba5dfd6fcCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 419992996,
    "price": 21714000000,
    "market_id": 1,
    "post_only": true,
    "stop_loss": null,
    "account_id": 8,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}