Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDylIYcO7gH4YyHFSVxZR/mfGsEgfMZL97ERa+/uPTqO3g7CtQYi5Tb2EsP… (844 chars)"
  }
}