tx 0x4cdb13d0e11ccf3d0d7b9a5ad8e8adc6d4d35771753dcc2fa21414cf66e92abcCopy

payload

{
  "ModifyOrder": {
    "new_size": 1434321,
    "order_id": 42297642,
    "new_price": null
  }
}