Transaction not yet indexed

MkZPwmuWEeMsCf9k7CKejqjjSkhMGrRbpGvNGJbtxBdTLc8himtZKmcSzPRyKBN91jZLb59xgBhYjJrGdBjYS6n

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