Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH7zOLRLvF3e7ts1w/0S6o8UUigyKdTaITGYR0yJTvLRjQ6KrMfgbCB5s9K… (844 chars)"
  }
}