Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFJkv8VqvUiq9qLVVUkOQXI8/qNpNN/Sg4Q6BM2LTmH/nH9iEenpZOwOT7y… (844 chars)"
  }
}