Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEUDrXwBFgOpFWdtU5XTG/pWCbiRfvM3d7u3pSVNJFCewsWYPwGxj8mF4TU… (844 chars)"
  }
}