Transaction not yet indexed

Nk3tUBBSsw5SmhLSH8PWa9yWd9LqHmUEUkadfbtP4E8gMRruDAvb2qKS3AthVHSZwatKj9LJAQWT1oEFKTxZAMC

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