Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCXZg/6loTOQM/8r6qpH4b9rNSijLxKV2l5Mkq3oSi9FxeY/zdWR4v1mkpP… (1,748 chars)"
  }
}