Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGl/e3xPsXvBaAHWDpj3dc61Kn9Y4nrjjim2wl8cHY8t2yGmZXX5IuVwD8B… (844 chars)"
  }
}