Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF7sZW9CtpQl8yNl8OG4ymxOyZXp7qwmxKY3Ay9/jxqGwIfPMwzPXvXXu1P… (844 chars)"
  }
}