Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHZMJ6QVxSNF1kYPZCF7I6JlMbvn12vNfJfL92k9haKj1D+VCqHNhLBnBS/… (844 chars)"
  }
}