Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB8+2eQUBx6zGAP7Yh7KMh1g+KcY4rKyzQMhyrwKXtItxzjwl58ma9Emx3N… (844 chars)"
  }
}