Transaction not yet indexed

MPPUfKVBESmtDkNhrSmsAC1eCtYUMSCaY5XVzsFisSM2M22b875mRRFPYMHiz7KxiwoYAu3gDZpPsGJ3V7kBS7b

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