Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAaUcB/95os+rY3ZUORUqsIA3LI6kBUDv1LXd9MN78VwAZa9rdLmMxw0GgJ… (1,748 chars)"
  }
}