Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/Ide4PExj/JcK3c9oUaE9Z5H1hYCR8yT1yKAQDFgWqyPbONijMUrBfzPY… (1,748 chars)"
  }
}