Transaction not yet indexed

21LUkDnmzeG1jkMHAUQUVskyFihqReAKoAvtSP1a2J6LUJNqPJMVkXbBcEdCimvBi78hTQScDs2UcR7NFYAamZrR

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