Transaction not yet indexed

5MKKCGJzWLsLpcvBPASXJkwXgYyjD2zPo7WaNUbAhFVB7euV6bFVpymbmgwqvCD3NG2mCbk8npbukh6s7FEnkUAH

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