Transaction not yet indexed

Nu6JmQtirRyYLMmZCQc7WiFM3bRK83JsZWG3KYWkgKY8ss9sQZVSBbcsrrLSRMpeSQoDVdM7UTWikomkwjL3YgJ

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