Transaction not yet indexed

5uw21aP6nWXmoiEkNZ3N2Z3AsqvTCSyWS4mcwyt3zknmAFGQLkgHqvxjs4fZMWRBmNtpxy7YqfzUMfUHs8GpTeS9

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