Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG3C+OBurAdqJ0iKc/gDkXJwNKQBna82yYXMkFIhB4N3WTIQk/72YV1Wzk3… (844 chars)"
  }
}