Transaction not yet indexed

21Miv1nAgtCVqqzThPm9FCqQk9DSESFME3jKLdRfXzDDyU6eLV2fRLqJDiBXmsoKJHAey7XGkJW5q9nqk4J3wQLD

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