tx 0x172d1a8e2a075161004be8eb15a2fe3a889fda44067f04aa92f45445c639ae4fCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Long",
    "size": 1503269856,
    "price": 6379000000,
    "market_id": 11,
    "post_only": true,
    "stop_loss": null,
    "account_id": 52,
    "order_type": "Limit",
    "reduce_only": true,
    "take_profit": null,
    "time_in_force": "GTC",
    "trigger_price": null
  }
}