Transaction not yet indexed

RKu52psYj9xHRZLdbPU1yY426yWu1RBh6c3CfqkTFDo5upbTGmNAHRjewibvDLGRbUvvgX47Uz9a27Jsdiuw149

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