tx 0xb7a0af3d907e6f138e85db0a33c0ee4e4e32c3d8a41449a19e1bf8dc01f3d4deCopy

payload

{
  "ModifyOrder": {
    "new_size": 2296627,
    "order_id": 19466526,
    "new_price": null
  }
}