Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHQ4g+aPkuVBOM9jVNjBVoLHOv5EwlPnkg2eDeGd+oo4wLa3y3hqPjr/Iz5… (844 chars)"
  }
}