tx 0x99efc2f20e09b3ba4e8d84c56fffdd5c7f5ad1eaf3a1e49dd58edfeeb2fecfbeCopy

payload

{
  "ModifyOrder": {
    "new_size": 15636794,
    "order_id": 372931998,
    "new_price": null
  }
}