Transaction not yet indexed

Y5c91ESGzPSeLbrQSUMxAaGGQKPHGvJT8GGpWtcW9ELwvKNVRSyAxuSsP7jQFV4Cp4gMh3ParT3Q3ogB4SGBhso

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