Transaction not yet indexed

51ekmSec2Jb985ULNJsCaKJn14QDX81gvSBAwhCtPkGx3vdRDWrk2GMAu4nomdVNKAwYgrDcSCHJYC5VavKj5NDV

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