Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDPmBH6ndWzvFjqsz9oK2kA5jOuqYNXkH5QEdbJ8RpsjCrnHi340vtbB0vk… (1,748 chars)"
  }
}