Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBIdwgY2+3ihTA9ICNrfIRMTbJ7IRIMOtU3l6IVIRMvTCeXi8EHdhZRO41h… (1,748 chars)"
  }
}