Transaction not yet indexed

21nC3EC6A4apDVcHDp7TyLE1vj7qujsoVfUAP45Re1cdBcG5Emtx8NMvqxZvpdgUofUQwYjou5czJ4UfRtXWNMf1

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