Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZ2iKU0Kg0cDfRqZy1zxdx8ejRxo/jvnK1PwK/ZG+S8GE8G/SMbBlbCs2K… (844 chars)"
  }
}