tx 0x7ad571285fea95229d1e6c31efb686e15bf5e6a3c60f0af0d16cd0b1d15b2a8bCopy

payload

{
  "ModifyOrder": {
    "new_size": 7143451,
    "order_id": 43874854,
    "new_price": null
  }
}