Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAE+kPp1sZcI3+hEpHHsosZ5C8HwDytODm/29Ub9wKmzD73wmywpa3K5oyz… (1,748 chars)"
  }
}