Transaction not yet indexed

21TtJsNMu5wR96NNwCU7xjJyJfq8A6XydiRTJYnMuXurQqQySRc1ZzP4HM8ERP3e1AnVpjLUUSfc3n2cNwG1XW4p

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