Transaction not yet indexed

21UJkkQJ8Yczxp9QKE7H1FPz7TeDFL5o1BRvUsqKLfGKgXJGdNGfCaACvPS2Qe5GGN3eSxCCXrCz6rrdz1FjmsnE

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