tx 0x2ecfb7c4e0508be1e13ea941ea22d34a1c9d45f0ef126a05d29f05f8fdae147dCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 300624271,
    "price": 60407000000,
    "market_id": 0,
    "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
  }
}