Transaction not yet indexed

Mons2xaJY4c8yiwP1Lu479pL8tMQZPB1GLJpfQvCWwi1rtmRX8io8gp2s3PjNbQBPGKaRuJ9LC9e7cRCEMfRGt2

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