Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDMkiurqWLYT8FKQ7eXkHZksMqnVrBYwbW9Q3KB9ep7Q2rIjPAV+kn9aIpI… (844 chars)"
  }
}