Transaction not yet indexed

518hk6sqWkLTaDCwqaTXF865eTvGrWcXJApSME6TvkvvLewXs8YUM1FMKF9yAr2JLJsxdq7wUNCeZpKX61UPYtQE

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