Transaction not yet indexed

668MSuGkraeg1NVk9v9GtMU3ccjvrFeh1xAbfpze3PwnmPrxVUWWRowf5TNUVuaDHiFVvmmyPxDqcJwB1RhkHSZF

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