Transaction not yet indexed

21SmiwUDKXVf4yQLSsnishZ9W2U6aYQkQZHcGkAsiEe6ow5ALrFPmpo7NVgX14Uz7fDigZs32c8x3VwqoMtm9XJS

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