tx 0x9cb0d2dffc97c8cdc82d4b4e1e42d1d986aa7017c974b05f8ff6827d13d4c2a6Copy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 173900,
    "new_price": 31900000000
  }
}