Transaction not yet indexed

21UvWNJZmBUkWuNqK21yoJY3PFXZ2uXQCfBSUeZaSRAS3ewDckms3g6nsMGTqSLu81VXUPVDEsKjGKPqk5NCEFpJ

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