Transaction not yet indexed

21mu1sXK7G2fCebWsRiZxyS3Dq8Xh8qe4ZZUkGkSJD2a17gRCmKMtNWd7DJRBYTJ9Q864tsjtzoAzmRFnXrkyS7J

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