tx 0x467b44f3a9e0f0305c7d1c6eb21ac69c46c4f0f8b830be63d15a8f0a44442c63Copy

payload

{
  "ModifyOrder": {
    "new_size": 3151223,
    "order_id": 12356327,
    "new_price": null
  }
}