Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGwFoAl6H5c7qVME6Z+YkK1TSEcBVThya9OlArsLMZtSCx9HnD3xa95w0fc… (1,748 chars)"
  }
}