Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG04JLLMuYvvdL/WXtGv4l6bF9acgWn4pqNwH7kE+cWTgh/3QWK5KQ8irsk… (844 chars)"
  }
}