tx 0x78b6883a7a392ed5b40e2bdd82678084b5b1614d783ef2eb00cc16ae2cfc556bCopy

payload

{
  "PlaceOrder": {
    "side": "Short",
    "size": 500000000,
    "price": 21000000,
    "market_id": 1,
    "post_only": false,
    "stop_loss": null,
    "account_id": 30,
    "order_type": "Market",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "IOC",
    "trigger_price": null
  }
}