tx 0xb4c1d9cac249e7a6d7831e65d6f129a88ef3dac3cd91a323edd52cfb8b9f995cCopy

payload

{
  "ModifyOrder": {
    "new_size": 5287390,
    "order_id": 75689676,
    "new_price": null
  }
}