Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCqjDKHHidvhZitQ+SjyiOa+g1ivq4lLirpRlVpvfvDe3fDu+9CwXJcwYyr… (844 chars)"
  }
}