Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCLhGhoSLJw7UwQNbbzHJEBD/rGtc163w0IerZWk0gzmVxBXmKHdBRST1zX… (1,748 chars)"
  }
}