Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE/+myGtn6NaHf9kUXOcRuWHBXStYY3u+xlTBfwv5i90QwVOmJOtjxlPZl9… (844 chars)"
  }
}