Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE2S2zR0c+rVgSamprpvPwfzLenDft7RR9bMxWiJpw2fT+Oi7ZblS98gQxh… (844 chars)"
  }
}