Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFg7lp+KXOg2Zidw/l5qkC+QWaKoe6clQCekOxMBxO4bDaWVD+ea0aZUuIz… (844 chars)"
  }
}