Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCApRKHAVH3t3Xq5nFsx1EvBS9PS0TF/oceBeVKrCK2IW3fA4n9hDtZ9mX2… (1,748 chars)"
  }
}