Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB+nWL3SSGkcYw3+PitYDiGW7PMOPDE/rXLvDZsp3tqCB4Vhu41ncbmPKZh… (1,748 chars)"
  }
}