tx 0x7ff2c5d5b9f5c52fdc79a639c51d34a8bbf815ffdf8982813d10b9e9d0b8926cCopy

payload

{
  "ModifyOrder": {
    "new_size": 298758705,
    "order_id": 12345152,
    "new_price": null
  }
}