Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGNdSo7QjqeQWYxGc7P19wuEEt1ya8ISnlmx/Tq8B3wXyoEEAOUfSIUVJP9… (844 chars)"
  }
}