tx 0x5703b7e8eba18be9a56b3b3245ef383ad0ba5e8dd69f4262d3c6d2e5f5ea0f8bCopy

payload

{
  "ModifyOrder": {
    "new_size": 22381951,
    "order_id": 819807,
    "new_price": null
  }
}