Transaction not yet indexed

u21SWNCEYXfoQWm44ip6ALvLgAkda8hRMgeK8dTzYUmSVbsskTctiiSgmjaTY7GjkY254GE4PvNzkhVYaJdMDGo

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