Transaction not yet indexed

21f5iH13pHTHHpaYWztAuFYYWiTVuh4oHVC4sWFffwZsRZfzAVvyW5TW7vsGCdmCKAqgbd1uX3hRHoi6tRGpGvLU

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