Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD/wzQeR19xnpmJSNqr1jIYMLuC3dRGw57Ka9eaO9YqgkAXCRKFGu5kHXRE… (1,748 chars)"
  }
}