Transaction not yet indexed

21m6ShAjP8T1SspErrZpSyL2eDjKSfzTk8CLuu7ryaFEJbuF8U8DVbWUb9Ltgssmid86wR5ZCTjuE78TX8CYD3nZ

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