tx 0x5eb02313d4114d2e4e933aa9aba24ae1d80c1d5c0a1482d5f70098f0abc33c3bCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 514389713,
    "price": 21441000000,
    "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
  }
}