Transaction not yet indexed

21Me6wwABE6WuhGPot8FvKKRtToTA9UHWfNbgp3V1bh6W2M6oioiP1YBcbhHB9LCswfcmdgiJR1TMi1pe4GyTNNa

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