Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwARYnvH4S4JUXtC4hJ0iOER2rZ02u8PhJ74gk6Ik2gB1i/ghXJJFMEUNZCr… (844 chars)"
  }
}