Transaction not yet indexed

621jzcpnWwp3Pc4yKrEXotaxYugy3PnXrKPaMS8DRzBj5FKhQArw3dak2ASdZRCajvf2FRiB2iiHZiM9y5xkFS2E

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