Transaction not yet indexed

21vykSLHe3vjAM3LmjfXht9ipWNyqsAg5p4REDHRGWJgHFmLQaHhUD8WN1TKaWRFYzm7km9nJtPUH2mMoS5at4kN

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