Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFffUbUJ4EFP3IDj2MqmN1LlDbHvQw2aEDUUuHC5P3WtROIyqQy2UjkLkqJ… (844 chars)"
  }
}