Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCpTMMLP/OyRJIbyZqD6lSefQdNf4ef2BdUYp/gMM+t5QWvu2i8vGU3xZj4… (1,748 chars)"
  }
}