Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBiibKXUB29TO19NjEO5Psgrgx99wNUd7LgvRN9B6Q2SnOM8KNBzmL5aB3B… (1,748 chars)"
  }
}