Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwADspNtzHOJNqtV1Lx/dDyEZz6J0mGzQk0L6755IcXnA0viiuPkwCmV17YQ… (844 chars)"
  }
}