Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDXzV+7r6vFDNDg27uTIFL2LIA8wiAjthbbgJNQG2cujGD6+v6YFdZ2Yw4U… (1,748 chars)"
  }
}