Transaction not yet indexed

21z6my894SA4Hd8Dbx9BFkn4f4AF1FRtkLgtF1Q2wu6MAK7LUnL5PfzEPS9fVnbfTbsJ3S5tG9eEbRrbDmBJQkPT

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