tx 0x7974aca55b53f1b65f4df7cdc0620ecc5a4ec1a246bf745a6baf5db25f2c7abcCopy

payload

{
  "ModifyOrder": {
    "new_size": 1570320206,
    "order_id": 22255766,
    "new_price": 490000000
  }
}