Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF2CqIos5BPAkWtkOlUJ0V+aNsXVpzwUlgZTYM9k7TtMHOLL9VYivKbd7xJ… (844 chars)"
  }
}