Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC4xuxK2yncAuSvIe5Uo0GJEI0S5b5vmBOOBO+JepoUaFiRSJpZZjZEKjpC… (844 chars)"
  }
}