tx 0x188ac6587e9153761537412e5f6632b506ecf6ae70b8cd8a273e7724bd0b5aa1Copy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Long",
    "size": 5000000,
    "price": 21837000000,
    "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
  }
}