Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDuXeirT0tqNvrHBUg7WdMN0/2y+nlXpNM+wT8y/TdmUl9GDSEGtGiQpLOC… (844 chars)"
  }
}