tx 0xefe34e01f2315e2f83a3f3794a9bfff19e0a0a625a0f3cbccf8f22a3e1e35af8Copy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 669903401,
    "price": 21489000000,
    "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
  }
}