Transaction not yet indexed

1ZKzNuwvGTyzGdmsiqWQzMXFqrVWebhjaJQcFASbFAYEkeRriK2guuRQYK7U4fN3L2SZaJwYu3u2USMZz13zjkS

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