tx 0x1751a71b797e6d090ddf55a88b4446e140b0a0d5b2d8a10b81f6bda1e2b12a1bCopy

payload

{
  "ModifyOrder": {
    "new_size": 17952063,
    "order_id": 34552507,
    "new_price": null
  }
}