Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwASz5jqor31QEJK0M4OQy8rFFqnkjxb1RFDy/H3qz65CXLKGCBDu0c3U0o6… (844 chars)"
  }
}