Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG/XdUqRH6XDYkYo8gYA0rrpEUT4A82oZg6Y2vC2Ad3rVGnPZV1bLBC/oTe… (844 chars)"
  }
}