tx 0x0b2e5cc75b52c27e1d5d2e38e5b76d9a1d7a4c9f5c05c66c7e391243afb1e95aCopy

payload

{
  "ModifyOrder": {
    "new_size": 2174654,
    "order_id": 12344031,
    "new_price": null
  }
}