Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCbzhDj84j7+FL0Y13F8qgZq1AkUv52wLjL/RqCCdBP9V47l6pmxFKzftXm… (1,748 chars)"
  }
}