Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDcBXAOU2yEX22xzc0KKl01qCqXNQAFQv1n9Q8GKzjWShqW5E+7uEGf/ds6… (1,748 chars)"
  }
}