Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCQ1EM6ERXCCWHb6N5ASOfoxTjsyawRj8Ma8ij0AP4XPj1hx+oK6i+CJ4aY… (1,748 chars)"
  }
}