Transaction not yet indexed

Nn4uatiPenMboqkfrTPavtbSp5AD2dWac99p89mLbDdHF3yCKTc9h1ULvAGFDb6P6uc8zhWGCuYQZa5oK7mDUs8

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