tx 0x8df1d18ba8a561fce82f3e92b94b39a9471bd2ffbd78cf16ab9f5a1ed6b8e92bCopy

payload

{
  "ModifyOrder": {
    "new_size": 1783499990,
    "order_id": 12322133,
    "new_price": null
  }
}