Transaction not yet indexed

TMkn5rLPcnXfK6Q3fyr5vjCKWWYWinfvbjdZzaLEq2w9unEJRxE8nuBCV9f2qMrQ2ss72tZRyNgw4NDKZuDEXei

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