Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC1pMBRdx/TZ0tNcMvR1g80j/NdNvDK3a6E6U3B6PCm2zATlzi1IUm5b6vo… (1,748 chars)"
  }
}