Transaction not yet indexed

21D7CifBRxBtL5rsajSER25VTqMHcjfZiyxB1jXRMRGDfMB3Fzzo9KiVRGpaNpTPZ7KcKeTnGH2K4dLTRhp3L516

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