Transaction not yet indexed

Nikn2xMWcMUdWcdzFWJdReKDmBy7XS3GCqQZBcBP5tLf2AMHFe88zgCPFgRZB5e1rq9bFQrB8HHZKNGhBpdU8pJ

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