Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCbpCyqDCZaN8mDkonvF2d+UOa0OD+lCOTAjgv55ObypTMbYh4GhO6hnGUC… (1,748 chars)"
  }
}