Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF4z9EwUBIQhjmOXr4SNjcaV7gI9J5hCrNoxvKKH4o8vV7r6NquYtl3m6Ox… (844 chars)"
  }
}