Transaction not yet indexed

MbXe88AjpQyFnsEMqhMKQ3umbaNJ95RdgFceE2iFaRwTC8y1ptHUdQfZTBMAR3NJj9W8UN3d4PZYeAbhEpfF6Yd

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