Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF5cdDYMs5R5rHvJNcY+rtS6WlCgXr9DfgQfQulcoRwEwSLxjUFj9VCFjyM… (844 chars)"
  }
}