Transaction not yet indexed

21ffRmEbRCN5DPD1ebKCZ6hNmCqucJDq4cfrTtrJpqErMjJuxJq9JwjTkH4WZrgKZuPcaYtg4MQjJBm7fLwZ2x8B

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