tx 0x3ffb4bd850e9002c031c3cacddba3d0e0f0cc3fc45b1ef12d89cb9fe2c0e4d3aCopy

payload

{
  "ModifyOrder": {
    "new_size": 5785584,
    "order_id": 21581208,
    "new_price": null
  }
}