Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAb/uKnoXCPUDtWh6wR0ThY+L9an8PdYf4TsvF3cInGfy+2Jknr0ji1bnHH… (1,748 chars)"
  }
}