Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAbbYffW6wq8TZIeTFgHJl0Y5+5GpSnVOqWvP2qzMdnFGtlVuLL8cqsInvV… (1,748 chars)"
  }
}