tx 0x12ac1d0c1996f46cbc56fd2eabf4c52654f0b78d02ca1ac2c43b5c9ca4b183dcCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 8488238,
    "new_price": 29088000000
  }
}