Transaction not yet indexed

2e21VQ6RhttjHMQhkQdaAE8AWvPqQNVMAYnFZ2z9UaK4qLrETS5yHWGN1U6Az9M8Yb9HJUAGkF1fXcotvkiEGLL5

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