tx 0x4ec4512e8cf4f4a5463c57ca17b5a2ad7de83aa326074ff671a4bb0f6c3d3b7bCopy

insufficient margin

{
  "PlaceOrder": {
    "side": "Long",
    "size": 5000000,
    "price": 21500000000,
    "market_id": 1,
    "post_only": true,
    "stop_loss": null,
    "account_id": 146,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}