Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDnyKtQjFPsIhrETrJwlkqYZZ+V5ZrWk9BmfDw+kFrKFD8UMFiPEOLTBb5T… (844 chars)"
  }
}