tx 0xb44c64a614c524efbf468e41a7271bfddc9bb10cb530f6ae4944377b81eecb7aCopy

position is grandfathered under a margin-tier change and is reduce-only — it can be held or reduced, not increased; close it and open a new position to grow exposure under the current tiers

{
  "PlaceOrder": {
    "side": "Long",
    "size": 37728744527,
    "price": 399000000,
    "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
  }
}