Transaction not yet indexed

EX1zSCHhTj4oMoYQow2QrUrofti8Z5mt6YnXtfpGfLQ3CRiQC9Mshw3ABNuUf7L1eZfcCyMEbvJjpySm9EsF8Gp

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