Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA0auL8tKPM+8V7i4hnpugn3xjfmCWWP6Mgu52r0yF+1gxrZysegrLNIid9… (1,748 chars)"
  }
}