Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZ1U65jVlh9I5/OmaVpFuTOP2uvqfOW3LY5YoA2T/0Knz4KO1amRb6mwrZ… (1,748 chars)"
  }
}