Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAik92JgZ7ox2TMSbg7mDjB/vsFY0rDDntlbHjFzx+VZEDrzw0Si3/Cvkk6… (1,748 chars)"
  }
}