Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC69dURfn6H9+7X4KVegU6c0ed+rV7tvOzqCHYKLs0fVgUF1n1fU5E459tT… (1,748 chars)"
  }
}