Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBmEHEjqD68K4O+IVrL9UzoiU4eVTWImnJHQ7Q5qCmjYEHO6Ws0DHltY+25… (1,748 chars)"
  }
}