Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAPZqCDwLeiEBEUPB7ZfGZx4HEm8Z4hZ+0nIkA2TIwqTBCnrS78I7U9eUTN… (844 chars)"
  }
}