tx 0x76b7cfc33c1e4b5c6138068340fe6fd0e5ef02ad67d6b37688a3f71afcc1fccbCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 6271218856,
    "price": 6687000000,
    "market_id": 11,
    "post_only": true,
    "stop_loss": null,
    "account_id": 52,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}