Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDxk+nZXLffuW0Xc6GUvnW+3wtjHVsDOFb/T8DmwO9m4TmoMI6/eJR82HaI… (844 chars)"
  }
}