Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBCsLvO5KiE8ITNXl+lmVcD8tSYxMxg+eLimPOsNRvFkznHxu/Ii00XVgPf… (1,748 chars)"
  }
}