Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAGAk/T902ogMmYP1LxFMR+V42YXde1PlUU6bWMCOeH/WRDF3HLrSP3Z+g9… (1,748 chars)"
  }
}