Transaction not yet indexed

21SrkqLHWm8GMW4KAcnF2Ng7h9JQDioMKxUp54wuz8T819TDWcqWfwpoRDJHvL8jhx8LtUBU8JNaHTqexRwd159k

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