Transaction not yet indexed

sn21ofAPb4GrqdeZBSdnaom7UzFbC4xj4zzJsY6KRmEd3gcDciTSiztcyhZPykPvgs5ZpEjLoQE5VZynbbn6Wr2

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