Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG0wRA+H9YOjE3T8Dg8vcOt0UHDeeH0e6+HtJlupXwY+G62RrbbdRc8JwS1… (844 chars)"
  }
}