Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDV9EAsBdsKXYP2AbpiJhRJwUFHRZpKdKSrN7C5WRGqzXEWF9nH1EEXrwW4… (844 chars)"
  }
}