Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCK/XOCFKf1g6IODuh0LZaagW4A0+kL5PCIJPyBxRBJfCFj8y3G7Z7jxJJh… (1,748 chars)"
  }
}