Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA9uQ4qK1MEcQACUzOi4dGC24UcWjJmBPjezUFHhQnSNhzLVPp/wlKp3jVU… (844 chars)"
  }
}