Transaction not yet indexed

MntXxQE2fDPFZRbjF9D4n7s7CoFhZC5opkQTph9xb7QW1hmSbciq3eoLJkJJ6Rqwpw288Mv2TsnsPGPaZDYh2ta

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