tx 0xecc4fb5bbc3bd08bbbe0b45c9e7ed0ac50bdb1d8d591e64a452a6a479cd6c411Copy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Long",
    "size": 5000000,
    "price": 21828000000,
    "market_id": 1,
    "post_only": true,
    "stop_loss": null,
    "account_id": 27,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}