Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEOsf3GwNuJllGjXFgkLwjLr0aGZW/Mzf/HM2S8i1DI2VSsh0kjooGf8Xyt… (844 chars)"
  }
}