tx 0x6452e7bab0cfa2d3c8cd5b199f4ababa6442d660e98fc8f9976ea87c4e5f5e5fCopy

payload

{
  "ModifyOrder": {
    "new_size": 8564186,
    "order_id": 99873744,
    "new_price": null
  }
}