Transaction not yet indexed

MpKPppaJ4iQqm4PbbLBvP8EQLiDczrhyAjdEuo54CWon9RfmEXHDgejT6c59KP3Sf7XbC5kDgdeXTGmuM8thf9K

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