tx 0x591fe9bc9dbaf5899bb8c8c4d32c286507a0e4172904a1a9e0b2f3bc4a8c9adcCopy

payload

{
  "ModifyOrder": {
    "new_size": 9645737,
    "order_id": 43376238,
    "new_price": null
  }
}