tx 0x1ff5a8a7ced2696a49db22a00577619e72e5f1f4a3d28b5d2f34ddfefdb3ad8aCopy

payload

{
  "ModifyOrder": {
    "new_size": 6512358,
    "order_id": 356471736,
    "new_price": null
  }
}