Transaction not yet indexed

5Ui6dTn4hDRGdXHfd9EeW8RmkVbU2VTqyx3K6tCxze2MKUVMQGd1N7XbHpEoD3M7gpEcYQjVSFxZo4URi2NU3vfM

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