tx 0x9a9ca164927cd2592b53dbc3b89e235a5a24d1c54a35a80572e4e8c8c5c0c70eCopy

payload

{
  "ModifyOrder": {
    "new_size": 254589712,
    "order_id": 6516819,
    "new_price": null
  }
}