Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCX0OA1sNYglCZ4N/ShdtbbDXcJaR2f4d6g5MrfXQa8cXNTZeKU4Cqkx0W8… (1,748 chars)"
  }
}