Transaction not yet indexed

21mZU6SWDyWPEqgC3c34LnWty4jpuT4BziQmkE251oZQLAgTxRQtMd4SmiNfXbSAqeBGGPmFHRJVFQqL7MEGskKC

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