Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCZB8aRO8TFpQnXHKlWK0Rm4hZeCTfBoY4JtP+G0ZMKelySN2MIH7ZCO0yM… (1,748 chars)"
  }
}