tx 0x552ea0b5d02222d15d82e55b0fd35a0a07c5ecc9f65bd0a510c8a9e5e37853acCopy

payload

{
  "ModifyOrder": {
    "new_size": 10000000,
    "order_id": 373499372,
    "new_price": 21435000000
  }
}