Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE3aGgEZU3FmElpyZvOEaQ/bQ5tr4IzWIXdsbPc0hPHN2SdFwBPOtonXaXQ… (844 chars)"
  }
}