Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCXkrVKjqhhnSYDUUakEVzM7FLCZOmllpKlmHV1XsWIBjVvJDb7bZjE0JcY… (1,748 chars)"
  }
}