tx 0xa0b0c2e1110c9b8c33c06b623c70b2beb8b24a534d4a0a11d2f8da83b2618e7eCopy

payload

{
  "ModifyOrder": {
    "new_size": 653447,
    "order_id": 18419729,
    "new_price": null
  }
}