Transaction not yet indexed

AMik3iivMz7XmUWSCHTeY2LbgzbR9Sn2NFgLQQ7ukF9R8J1eRBQuUUPTa73cBpviCQFDf3TXYwQx9pr8wVMCvAP

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