tx 0x1a0007f94bd5a92be47fd2a4c2828f684d65e27a2db2499dba0ec3d9f3a6a51cCopy

payload

{
  "ModifyOrder": {
    "new_size": 43155716,
    "order_id": 31453540,
    "new_price": null
  }
}