Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE8PqQdBdTVfBsHnxYOZjkmrq4a9EUxyYJzCylTzwI6f2ltzfX0ZSgCpxzu… (844 chars)"
  }
}