Transaction not yet indexed

Mefx4kB3eaVZkxLDuTRarTkhkeQZHAqQH4UsrQrRizj2zNpvk5bTzoRCfCV1V9vApwVPp8k8vTfqifDzkFdc77Y

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