Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF2XeUXh4JgbGqh7S0fHHn+AEKffH3VjWl9C5WP2a2F93j8sFhW6m8d0mUJ… (844 chars)"
  }
}