Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD3P3I3xYBwaJ/bli8IYRE6m6TwM2r1T9cjmXQVT+tdtW4KoirNtghG6Jw3… (1,748 chars)"
  }
}