tx 0xdad9e881d82c9d3e018cc6118a72e335d2c6f230e75165fcfbe87cd5a0c4de3eCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 2498454420,
    "order_id": 351963263,
    "new_price": 6188000000
  }
}