Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG12tO9jtJhzEAGp7TIPwxz4fSlnSIfCMVfpWT4N4/xF3mDNZVRrTjEp3ZD… (844 chars)"
  }
}