Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCT4PaO3qLWqbo+kGQNgZlR2bYXw5bQD8ZJPb01MG2kIHtx/zRE4ogacGtb… (844 chars)"
  }
}