Transaction not yet indexed

AmVCbEcGKgG7fJNvAqQoR68MFKrC9hTfyxA6Ti4TeqzMLSXhwcJER8RtAnD7ppHyDXMDbHU6rdyksGxjoV3p3Ui

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