Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwACLKp+nuhvnqXz+Hjo/nB3rQkzNi4ioFkAE4+7ETsVKmLMHRu8xAuk3fJv… (844 chars)"
  }
}