Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCjyMO6pNexHwyq7febXQwjM6Wo0/hnRo+XNFfQjQPlzVbS9DmMyUFGrZ54… (1,748 chars)"
  }
}