Transaction not yet indexed

5mex9eSDX2pm8qLtjPjArTAkC6bmCcNetC5tNgimaEpNEXRusMrFxvzrF8DLamKFkRz6nMbpJTQFU9DWdLYR6EX2

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