Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFqUIBMcQi+RqkR9zOoG9kIh46lW6HW2GH5FhO6i5hqbXA+zoY7ZuwpWdzC… (844 chars)"
  }
}