Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHv1zpB6K1XnYTXjOMGDIEFtjjGvqe0zfCH15ezl0wlvlgCxZ2zhbEg/xM4… (844 chars)"
  }
}