Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAGAph0pZfwvUHNQeVpaZXMXvRJBhOTHUqXHLl7C+LSqjkCWxmQh4CC5CU/… (1,748 chars)"
  }
}