Transaction not yet indexed

21NzbFMv3qqwWui1mcXz5eEqUJqAXrGZhNjHHYDtp9GT1ETWWydj58KQSTsRKBTpPDwA1vfLTdUJfoATQEjk5Eg9

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