tx 0x05e9a8729e880e4e0a0cbb8d636673ee700a6519737cdd9b9d9cde5fdbe7d6a6Copy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Long",
    "size": 5000000,
    "price": 21820000000,
    "market_id": 1,
    "post_only": true,
    "stop_loss": null,
    "account_id": 27,
    "order_type": "Limit",
    "reduce_only": false,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}