Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwI5E7Dm/+QwZrYvyBP7TdVYKzH7hlnULWSgVYPuiU5lxwG+a55WcBsh4h6A… (844 chars)"
  }
}