tx 0x9b50bfba1bc1fc84f2f936891ed7b7ce0f8fa78b7c2e4d9e8c6b645e74b9fa1dCopy

payload

{
  "ModifyOrder": {
    "new_size": 3226850,
    "order_id": 473223,
    "new_price": null
  }
}