tx 0x6c2631db7c1af1d0ac84557eb51f6eaf0cc2ff7dae8f39cbd2e2c0dbcba63d7eCopy

payload

{
  "ModifyOrder": {
    "new_size": 23783451,
    "order_id": 4449250,
    "new_price": null
  }
}