Transaction not yet indexed

21UCDfReFMUbkAmetHir9Fwyu29MXn2VkP9vaiMo3M3kmA3TV3xE1RGfwuttPH75Zdc3xbGPLBJb2CZJTnCmnF1e

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