tx 0x7989a8c3eea35bcf5d5838e7c5532e6f7d390f25a92c8a29ffcff2bce39a01daCopy

payload

{
  "ModifyOrder": {
    "new_size": 2461423,
    "order_id": 13919738,
    "new_price": null
  }
}