Transaction not yet indexed

668DW5cY4WhQz2L4EyoPHP8k8kbz9GAJZUd9sqvKKZGz3oeDbFkNPpVdf7du78BLxAxospK4dSuMKkb2zZDHkUxH

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