Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGPGQFsOqvM+/UdKiV9lgMrznaMbL6N1JHvUjOdNTofyA3oYQS0tg2u7NZO… (844 chars)"
  }
}