Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFxYWxGXw40oNYhOdRa2ufDL0762i6Hg965SDasCRg1jXaA/VrwA4BIh0Xz… (844 chars)"
  }
}