Transaction not yet indexed

Mkkxn7AgfZL3Vr8ooWkSFoHJMVhfwvGQDjT2zgNTEkffXWbrzdQPAPMTUDSjXHTpt6v5Qqtq2ECWec8fFkgcQsu

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