Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFd6JBJReu6LnV+P3LCjwj5xDMH9MIX/D/e2FTJpbKRpBfSDotH4ccXrKRt… (844 chars)"
  }
}