Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD3ZUICc1w89wr+AQmxjfhiZrR1g0NTKiD+6s+FX98Whg2K8gcr+RF1geJ3… (1,748 chars)"
  }
}