tx 0x91d8c08dfc722bdf7e5eb4d7cb2dc51d7d704a1e9fbddefb8333dcf9ce2f9c6aCopy

payload

{
  "ModifyOrder": {
    "new_size": 16214563,
    "order_id": 58987765,
    "new_price": null
  }
}