Transaction not yet indexed

MTHKNzRRMjUeVTYTfSBao4ueSjsU6ShtLwxy8iQkdDSZtL2tbvvX6T7YGEaaRHkPXZPxns7jbTafHfaYNBw22VC

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