Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCiBjYBzM818NgELnoi3yHaXaO7s/Unxf52+7sY87LLVDwbQuuPCnwvH7rM… (1,748 chars)"
  }
}