Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDrAVP+5xH5pqxV1JvbJMPN7jXjv9deKc8NH8GALR+fo2ETnEj3EGLqkDl8… (1,748 chars)"
  }
}