tx 0x21d37fbb44343fe5e0a699fafecd6eee4cf4a9b3d348eef0f7e1605f990b05abCopy

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": 16000000,
    "price": 64369000000,
    "market_id": 10,
    "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
  }
}