Transaction not yet indexed

mUX6E3jFQeSQA7ztDXMGc3ukSuTxjkNjj3FXU79EV1mFnn1THMqQdXdZWAFqCzJP5a4aXviaM8Z7sLSxMPEEmD4

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