tx 0x0a96dbe26473c5eb7d6989bbeef1d3ed5a2d2a7d3c7a6b7ae29fb1dc2395fc7fCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 3058048367,
    "price": 21554000000,
    "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
  }
}