Transaction not yet indexed

5C21mSE8zmfFKnAD6hNjfRwj14iwLXFni3goVZKQAkTjTSXffabRPidSNYVEfykCQaKrQaiYE7BVNAT3V7foirWE

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