tx 0x80db104edf5894f60ee5fe2825f3b520bf7e68208f6875c66a533ea95fd21a9dCopy

order would be filled (post-only rejected)

{
  "PlaceOrder": {
    "side": "Long",
    "size": 500000000,
    "price": 492000000,
    "market_id": 5,
    "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
  }
}