Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQIxYIXNf6nDFSBkc1ZVM2LMJfO5dZS9egc4TE0FPWI8TFMSu3uDT4H/n8X2… (1,748 chars)"
  }
}