tx 0xb8be19d7d3a3d018b8bcf342a71c185b774b9bd4ca5b6f0ee37ab6ad9b6bf006Copy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 278791430,
    "price": 21512000000,
    "market_id": 1,
    "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
  }
}