Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAA/aPeo7wAKAIXBP18esgGqEaRG+Ilts5o1lzGdOvTTUL8SBgFmAptx5Wk… (1,748 chars)"
  }
}