Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBsXBD8QfJKJ3S+1H7NEhgrOaKn/aV7N9TN14n43Y2HWWAKQ8EX+FKcIbNq… (844 chars)"
  }
}