Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEFUZTGNrnz5hPLBMFa8kYTNxi8Z2ufLdvzA8/SbNdbAm8WergXBkTXs+vc… (844 chars)"
  }
}