Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwABQu1+RwZJpgqC5gyBMTZ7zX/beN6Z+v3hVffK39B3Y3LbOpI/c/2sxPzz… (844 chars)"
  }
}