Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHNn5W+PPqedfLJjhjhYLy5Za5AuBfj7TZC4Qb9EpQWcg4lFSLvw0Pob0vx… (844 chars)"
  }
}