Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFJGcBJuppjCdNJUqWwk1jRbSQBQKZ8lVfAWF1pAf9d8Qh8bJBS1vGqh5Sn… (844 chars)"
  }
}