Transaction not yet indexed

21m4DRMXHyZT63B5aLhQSpNYfaeWDcLxGrEtuEyM3dFwHnniPvT7a7jUD64TGHgPwtAfRdbwAgBer9fyoKhUdtv3

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