Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCLXVcsIAhpWjruI2i2KGjG9pCUMNBn8SCTejJV334IqRlyL8E8A/CZI4xo… (1,748 chars)"
  }
}