Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCqg0isCPQ8aQl9t+Lt4dmw085c7BpBA+GtzvDO5Xo3Tjc7bW8BGyjAqHiN… (1,748 chars)"
  }
}