Transaction not yet indexed

21MS8guBSMriArdXPPBGWcZiC2LcRP84LyUy434agPbspmGyNphQH4iXHiJkoUDh1cx4URcNcQsKiHvdPUNgoCm2

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