tx 0x28baec5845707b8961e95e7dd99b7d9ccd5c41e9f5d2fd2dca83ef8f39d3ca7eCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Short",
    "size": 1508208650,
    "price": 21567000000,
    "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
  }
}