Transaction not yet indexed

5Xu21SKPd3cMHqSSE6DvrAiQoAVtJWV8omBHS4odnj94dMjdGPvFD6cLdtdLzeYuTqbGersujfpUZ9FikRBGeFVz

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