Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAhpZfAOVQw6fj1JmhOTZz4DAtmGXz6g+kfpjrPf2u9PU2B/rlLk7vDhyq7… (844 chars)"
  }
}