Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH355ah5JChcSXsn3WpTpPAI/Ph79/9sDyXA0Rcv+AUqG/Oq2jPV8UBjxLl… (844 chars)"
  }
}