Transaction not yet indexed

MkzJeUmmx3XwYgP4moNUqnn9aZHJdj6a74iPHoe1S4bYzMfJvsPkyxKRBnD6pEvaPLNLKfer4upH2eWqcPSjtQE

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