Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGpoVf2WPK3wT6G5jgVSvu8DH2e6S50qAZN/OF4D4kddyDjMNr4LyWdJqc2… (844 chars)"
  }
}