Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH6xCj99dCWsvADjQUgTwYjogWxrLXa/PmAHN1hsWYwfV6Liuc+GEBf6BM1… (844 chars)"
  }
}