Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAJCzGR9yU0zHNlnrJJDcaFPQ/9uaIlssy700Jq5SITwUspFrBYGS10lPqg… (844 chars)"
  }
}