tx 0x75b2d08ac67b1cebeed26316eb89adecaa561b5bc3d78afd17ab0557a38b02ccCopy

market 5 is not active

{
  "PlaceOrder": {
    "side": "Long",
    "size": 855013361,
    "price": 506000000,
    "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
  }
}