Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCW+mh0HXQMYFgroSqzDyLDMGjQvU/QIG6KnyzeO3B6bw3fYc/21yW31UZ4… (1,748 chars)"
  }
}