Transaction not yet indexed

21UzgVrfCktV1Um2kQ2QwLknvFzZKBakbh7F17iisp38eSfXsigr3f87EndKCAqCakvAHQSxiv2ktF6uYA3CVxw5

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.