Transaction not yet indexed

MRMxmPJQ5AT1yLXeefzncSC3CgaeVbbBPS7QiN3HW6LR8Lc6Mn68KSZYVvdYxtWCtCfTjBNFTMuyi583Qzk8fRT

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