Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE/eqQwi4Ai42LN7N9FE7DesQHzFTwAX+bhwEbWIdqvJwRLf9eB8FTtdfgI… (844 chars)"
  }
}