Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAQ0IlbSbnegb5dQVh+7wZrYVn1DWK5aaX47fDbyNpO+Cq3PBOP94rTAyxh… (844 chars)"
  }
}