Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE2LRFmT+R8zLw2wmFWejyJU8cU9vb/I3fYj7tZUKF5bCthCQuG/2WLv1kz… (844 chars)"
  }
}