Transaction not yet indexed

NU55Es5QoHkjiJDK1asohAcBxfRTv9osLmefxEdWKvEFEGnmbyoZ7KFSNHTJnYFNTvCR1krnHMHzEEXK55JfdeP

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