Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCb/zPZNpwpcyjaUyzl5S8LMSF9Yt8eYYh9NtFD0TRntjB1eRf9KNGPBnuf… (844 chars)"
  }
}