tx 0x507793eaf8d3a8623eaf459b5c1a6be1a9ffc79f6ac48f2caafbbdc5f7c4df2dCopy

payload

{
  "ModifyOrder": {
    "new_size": 862341647,
    "order_id": 7847381,
    "new_price": null
  }
}