Transaction not yet indexed

21ikSw39TRNAAQBwnwpYdf3numtX7JoY8QoTE9ryFfwf7W7GKkvvDibL7grJW2iz6KH2vmUBNRVDKMFkK8mkeWrc

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