Transaction not yet indexed

21n6FLPAqmrS7tCUkf18LV7Zwt1twtdGstvXaaNha98c6KiSPWFaGu8wpbmE6Z5ZrVecqgesB5o97Nci8H3DFVLQ

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