tx 0xf71fc8caa8c1e21e82210a2a142f1552932dfbf0a928f062d90be9f3b74bb4cbCopy

market 5 is not active

{
  "PlaceOrder": {
    "side": "Long",
    "size": 550518,
    "price": 509000000,
    "market_id": 5,
    "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
  }
}