tx 0x5bab80f2472a1565b2a0c97b4a05aa0d6ac74da46fde7d17c0f734f1a2e4e8bdCopy

payload

{
  "ModifyOrder": {
    "new_size": 864220,
    "order_id": 19482869,
    "new_price": null
  }
}