Transaction not yet indexed

21mktoT5WnfudbxKM351kTnoTkzpDwrnfdevHYdftP3ohfcwiqQJNQjMZ77VdDF9ckRjBwPLDSstKoi4uA4TGcqk

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