tx 0x3d909765bd235593c6052fe59e3a0cea72df6de0e20504aa213e8c19ca39036eCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 2489375820,
    "order_id": 351963263,
    "new_price": 6201000000
  }
}