tx 0x31dd0f7f582a0f7acb9fa7d7d60d402807e0d5a7e81a2e5a90f37f5eb0847b8bCopy

payload

{
  "ModifyOrder": {
    "new_size": 18526328,
    "order_id": 12311314,
    "new_price": null
  }
}