tx 0x4795e1d509d2becb1e3c4396c31cb19e3dfe8aedf1a0a2f12856e0e7d3e7a48eCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 2281212109,
    "price": 6681000000,
    "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
  }
}