Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZ6KypEwQVkru5iNapdJ5YKcG0RG+OvKzvp5lN7ai0eG7Yzb2vS87hELc2… (1,748 chars)"
  }
}