Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFZfjYm9emfI+XeDxwkNHwsTVFEtAa4+/LfMOctyh8eOgXRUHnuOjvI/IbJ… (844 chars)"
  }
}