Transaction not yet indexed

21L52YsjpeSCRkUAMRsZ8tUr2VgvmdQKRammFCwBnGEbrK9QJYmYFCimMJvTz5cnkd9JSo2fpApy6KAF4mAT3FE8

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