Transaction not yet indexed

21SLUcmskbEFyJUkvXwWMmc7ChVdCssAVuRiurXL2vpYh9jLDKSab3neK2csJB85p2DEJhmkxwVCc4h2pxSFjBBE

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