Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGLW/sGGUVwdad2JIYe7z8/QMHFOyixAgFcf0DvdrJI/XDjo/DV4n4Uh9xp… (844 chars)"
  }
}