Transaction not yet indexed

21SW5PdQArSc9gfbGUa2Gg3ihhZvQfdjM9uYWqqNwPKfdUH9PUKAnHkEFHSwnwtCAnCsSVtphGCvfKYgbmPL4ipx

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