Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBiwnYoYPXrYM5Apctl8WYXctv9bVURK1bCRASZ+Z0W53Rg/qHZZILJljXR… (1,748 chars)"
  }
}