Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCFsbRi6qnzzdFXi0ze6yFUPwQtEbS4S+Bvjl+ZyucQGiHgIIj57JtjFNHb… (844 chars)"
  }
}