Transaction not yet indexed

21C5xX2cSf9FEspAEC91mNgiZGQ3uVxZwdMnWDHZDSmLAeY5cHTZawM8FK14tNNEu5U1fKajagSCeA9Yx9pvSnon

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