Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAKCad7C7kd2rvNNc7jyRlhPjKo6wuZ8rFM8YZA+mcG+mkf9I8tbxGc39+5… (844 chars)"
  }
}