Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC+BpGg/aYUG3+Etmxa2LGiK21UqA0VQEsJThHrIBljoHpfNOzYU0fqY7rN… (844 chars)"
  }
}