tx 0x129c5afcd3b5bc76c3a83ff9ec8d8311dc50a7bcbb5e44a3b6bb9adb1e38c28bCopy

payload

{
  "ModifyOrder": {
    "new_size": 13484374,
    "order_id": 35594987,
    "new_price": null
  }
}