Transaction not yet indexed

21UMr7WDSRpbd7mZ2yZbnfCZEMzpQbBfLNtSp3DYbfgQPyRNJY64i2XcHtDKgUa5LNK7WtXxaaVNN3c6YDj3ijkU

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