Transaction not yet indexed

MphM9n1hvcVz5FZzQkx1sE5nqLWxij3As5YqJXhy3JBvPVVpMgYbh3Mbo3RFdQPcQhrJqaHw39TmxFEbJR2Zne6

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