Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDkHjy92vZu1wGZ60EG2ymLeqVPrCFDAVuNkjQmyKIuShAWo2/cZy6VD6JC… (1,748 chars)"
  }
}