Transaction not yet indexed

21MZcdC98jMxsRWhJZxApRJyB8bHqtDcCewgp75iRaaTyRcaADb7qaW8ZzGJbkCbB3At1yzvh6DdRvtfNM7DWiD4

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