Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBo//X3o6tPr9VZaesat2CysL7AZA+xkuKmZhbU33eGuUOHyE9N8X7rrP/7… (1,748 chars)"
  }
}