Transaction not yet indexed

mjnnPZU43r1jZtzgBjzN9Z7i8c8MsZJECQGg9WYvRGcvnb2H2NmVmrxKTdzJK8YoWu5TzDhp8uxMVPLYBHSB7AC

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