tx 0x3f73de5e633423f00d8c5d064c5a2fad1913e596e3ede098a5362c20c484e3bfCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 3101442772,
    "price": 21509000000,
    "market_id": 1,
    "post_only": true,
    "stop_loss": null,
    "account_id": 42,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}