Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDgKFCMVwQmXAh+yOouuYe2rAe5ySiPLJ/3oqlSBrcGYj6HyFtGr6s3ClYA… (844 chars)"
  }
}