Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAtDLlFeHDlwml/LsaXW3Y56vvmcg0Yzj1wqFNSLlfj03m4ndWQEfsCxBxK… (1,748 chars)"
  }
}