Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC704Ehp9PWqr/L8z+Bs6vXX9AEGjpMWBkpsGtsmfpOqwY0oSHMcZhUzork… (1,748 chars)"
  }
}