Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHHvJJLjOVUXsnxMe09soNqwNVqNp6vXxfTXmDJNB3p4kEqqxdU+fQ3F4/4… (844 chars)"
  }
}