tx 0x2e4dafec3f60bb2db9a73b9fd78e1b4c9d45d75f59376b14ad7c3fdf0b1db31bCopy

payload

{
  "ModifyOrder": {
    "new_size": 4552015,
    "order_id": 52344684,
    "new_price": null
  }
}