Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC9mLnky2G0YJ3+mANQj1beNVaOkJLOc1nUDfKUsazalQKHUMg+hNEH1HE+… (1,748 chars)"
  }
}