tx 0x2187d1c82c5c3e6c05ab8cee13be16dab0e4f2f7f00a4e3dcf3973e650bcf2bbCopy

payload

{
  "ModifyOrder": {
    "new_size": 4189345,
    "order_id": 371173962,
    "new_price": null
  }
}