Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBr5wJQsomgd5ScCsKvMBzeMfQrZdds0YMw+kgU1/kN+EBTjMfKoyF8YRLe… (844 chars)"
  }
}