Transaction not yet indexed

Nm8RLEtLRobM3pHERVzqPnUS4LxcrtqAVAF8BF3aAMHe2qu5EDBPXntHQ1BnZNAuABDYboFndAS7y5ApzWN6eg2

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