Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGKu3GObVmjQHNnjhHm/9mxoeh+wtjI+85yWDw/TMaB2EclC+I6nfbh34EG… (1,748 chars)"
  }
}