Transaction not yet indexed

MUnRBYMBLCKrYHMdmm5oyfBdM1g5yfa6Ne4t4qjEX451oACTXgt3DH7GoXQPAuJY1VMg1q2nxsesXHrZCcKxTqa

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