Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDhk/doQtBBD+IHWsOYaXDgjO2wROBA2n1GDtZYtycJ5T1McBJIC6gBj5R2… (1,748 chars)"
  }
}