Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHVrfKt9t57o9HH1a2WsQBiflcXsMdqYx+PZ2Vo7m/Siwo9w0Xsyap6RKD7… (844 chars)"
  }
}