Transaction not yet indexed

Mcu3xFeo3XoaUXkdTaF4P3aWRM8E2wpG9W8vdAzwMpCTMMQVCexgCWnbqF1LGTYpTSncCvPkTP3cUzV7rTQpd46

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