tx 0xef91e9f072396b1bb8b18961a67cf3d34151d87f4510bf8be39cf3faeafb1addCopy

payload

{
  "PlaceOrder": {
    "side": "Short",
    "size": 552393519,
    "price": 502000000,
    "market_id": 5,
    "post_only": true,
    "stop_loss": null,
    "account_id": 3,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}