Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHrHekPb63eJAREGb6O2gGTXhMEbBq/Pk98oOXfy6nq0C1QRLFvpjUi2Wld… (844 chars)"
  }
}