Transaction not yet indexed

MphbPSL6dJjAmTZJZFyeKFv1RfE756AB5VHzQRPmt7xU2mZvg8Qkp2bELo5L9tygpnwde6ZJ2KpsemGa7fS4Av1

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