Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA+gSeKZH5UQI3sKdVV8NZ2Rz62v+nzuZiVPAGQjbgMXwmuQyn6zytuWq0K… (844 chars)"
  }
}