Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH1/OD3TgWNkXu2E59fFKThyEGbpEbkjjU2IM1Blx4X4zlvlcrbgUbmdK5u… (844 chars)"
  }
}