Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDtj2rqET/wOfaaYfiS1ArK3zOXEWLN8xBXoWPhclnY5l+5fLRb0qxmYnae… (1,748 chars)"
  }
}