Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCEG/vvTe6SUdkANYmKzvbLX3aHTC9KUAqGIZ2iWD3WpxWpCALwN22bsufA… (1,748 chars)"
  }
}