Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF8k/RrHjQZf2i27bVjL7QNKN0DNbD41C/1xdq9B/vw/RNFr6FMaEmDM7xN… (844 chars)"
  }
}