tx 0x4bc9db8a2a813e8e89639583d7ebac2a6a5f6c9bc7b8f2ab4e6ff354d9ca3f1aCopy

payload

{
  "ModifyOrder": {
    "new_size": 12196382,
    "order_id": 16409994,
    "new_price": null
  }
}