Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFBzAvkSgTZJLEHSmB8SoIXVsNe7iu/v5NDIqMUK9zIZjKvDHpvLIst8BCt… (844 chars)"
  }
}