tx 0x8a9ab4d61f6880737b96cde9bd22c3b3a5e39f09c9a35c2994b5bf33eb8ccd6fCopy

payload

{
  "ModifyOrder": {
    "new_size": 4112646,
    "order_id": 6646224,
    "new_price": null
  }
}