Transaction not yet indexed

668ZuiY1DxMsZbPRzobeXCVH4rKdtqSkrmhxceoY5GubuazB6kQzYZ8Z1WprDjdUBFYUWX5D8KhpFefThSQ4qqkx

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