tx 0x7eb6471a1a8e7a1eff7ee8f475d6a63d31ab5679afd6ef62986abb7b816c0d1bCopy

payload

{
  "ModifyOrder": {
    "new_size": 1298117,
    "order_id": 49203289,
    "new_price": null
  }
}