Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEL2W8p/Jhgcb3jLkAYnq1KDBvqzTRfmIzjN+QHcVovhW+9hvTief8VzCcV… (844 chars)"
  }
}