tx 0x3883bb9f9c0e1ee1f5d1d97dd9a0288a4c92ec3d44cc206d265c8a5d7a89706eCopy

payload

{
  "ModifyOrder": {
    "new_size": 449344957,
    "order_id": 3489461,
    "new_price": null
  }
}