Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDJ6uQsX5zslFWQRzwUE/ZMNFDuXaH423WIuBLc4yNY7XJzHe4Qo7EqkvzY… (844 chars)"
  }
}