Transaction not yet indexed

PM3LnUZAWjt6Nj8LajJ4gMj4Fik6g4TBbz2PZKBjsngzAnBtf3T3GC4ezrKxex2p5ZSjTsLLDAcMiSDS4GuUcmC

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